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    "We who are in the field of thermodynamics and thermochemistry are most fortunate in working in a science that is basic to the behaviour of all matter in the universe"

    - Excursion in chemical thermodynamics, from the past into the future -

    Frederick D. Rossini (1899-1991)

  • Research Activities

Research Activities top

1. Thermodynamics of the gaseous and condensed systems in the pure phases and at the equilibrium between phases

1.1. High-Temperature (700-1200 oC) Phase Transformations. Solid State Thermodynamics
• Thermodynamics of the condensed systems in the pure phases and at the equilibrium between phases
• The thermodynamic study of some oxide systems and new inorganic materials with special electric and magnetic properties
• The thermodynamic characterization of micro and nanostructured materials with different applications (catalysis, semiconductors, the energy stocation and production, CMR compounds)
• The investigation of the thermodynamic properties of nonstoichiometric oxides (e.g. transition or other metal oxides) with special electric and magnetic properties
• Solid electrolytes; Electrochemical sensors; Solid oxide fuel cells

Contact person: Dr. Speranta Tanasescu: stanasescu@chimfiz.icf.ro

1.2. The Phase Equilibria and Termophysical Properties Measurements and Modelling
• Vapour-liquid equilibria (VLE) measurements for organic mixtures at low and normal pressures; application to separation processes
• Gas solubility measurements in high boiling point liquids or solid powders; application to supercritical fluid technology
• Vapour-liquid equilibria measurements in systems with chemical reaction; application to reactive separation processes
• Liquid-liquid equilibria (LLE) measurements for binary and ternary systems at normal pressure
• Thermophysical properties measurements for pure liquids and mixtures at atmospheric pressure
• Thermodynamic modelling and processing of experimental thermodynamic data
• Thermodynamic properties of aqueous electrolyte solutions of simple and mixed with or without organic component. Modelling of the activity coefficients

Contact persons:
Dr. Alexandru Barhala: abarhala@chimfiz.icf.ro
Dr. Mariana Teodorescu: mateodorescu@chimfiz.icf.ro

2. Thermochemical characterization of the biological interest compounds

• Thermochemical characterization of the biological interest compounds (amino-acids, collagen etc)
• The thermochemistry of gamma irradiated biological interest compounds (amino acids)
• Thermodynamics of interactions ligand-protein and ligand-cyclodextrin in aqueous solution

Contact person: Dr. Iulia Contineanu: iconti@chimfiz.icf.ro

EXPERIMENTAL TECHNIQUES:

• Electromotive force measurements (EMF) on solid electrolyte galvanic cells
• Solid state coulometric titration technique
• Capillary pycnometry and refractometry for density and refractivity measurements at standard conditions
• Dynamic method (ebulliometer) for VLE measurements of pure compounds and binary mixtures (P,T,x,y-data) at low and normal pressure and temperatures between 298 - 450 K
• Static method (isoteniscope) for VLE measurements of pure compounds and binary mixtures (P,T,x,-data) at low pressures and temperatures between 298 - 323 K
• Static method for gas solubility measurements in high boiling point liquids and solid powders up to 7 MPa and temperatures between 298 – 353 K
• Cloud-point method for LLE measurements of binary and ternary liquid mixtures at atmospheric pressure
• Calvet microcalorimeter
• Flow and batch LKB microcalorimeter
• DSC Perkin Elmer
• Macro- and microcombustion calorimeter


Laboratory Staff top

Head of the laboratory: Dr. Speranta Tanasescu

Scientific staff:
Dr. Alexandru Barhala
Dr. Iulia Contineanu
Dr. Mariana Teodorescu
Dr. Dana Dragoescu
Dr. Tatiana Pascu
Dr. Florinela Sirbu
Florentina Maxim
Ana Neacsu
Dr. Cristina Silvia Stoicescu
Dr. Cornelia Alina Marinescu
Romica Sandu
Ancuta Mihaela Sofronia
Florina Teodorescu
Daniela Chiscan
Ioana Leontina Gheorghe

.

 

International Projects and Scientific Collaborations top

- Participant in EU project on "Improving the understanding of the impact of nanoparticles on human health and the environment", ImPart CA, Programme: Priority 3 – NMP (Nanotechnologies and nano-sciences, knowledge-based multifunctional materials and new production processes and devices), 2005-2007

- Participant (2005-2007) in Bilateral cooperation Romania-Belgia. Project “Membrano- nano-composite materials based on transition metal oxides with catalytic activity in oxidation of hydrocarbons and their potential applications in solid oxide fuel cells”.

- Participant (2004 - 2005) in EU COST Action 525: Advanced Electroceramics: Grain Boundary Engineering, in the Project on "Structural and dielectric studies of incipient ferroelectrics", 2004-2005.

- Participant in the COSENT - South-East European Consortium on NANO - Science and Technologies: Nanostructured Materials and Devices as an individual Regular Member, beginning with 2004 Romania - Bulgaria bilateral academic cooperation, "Optimization of Hydrogen and Oxygen Electrodes for Proton Exchange Membrane Fuel Cell’s Application" JRC Project, 2005-2006.

- The scientific cooperation with the Institute of Metallurgy and Materials Science "Aleksander Krupkowski" of the Polish Academy of Sciences, Laboratory of Physical Chemistry concerning "The investigation of the influence of phase nonstoichiometry on phase equilibria in Mn-Eu-O system". Agreement on the scientific collaboration 2002-2008 and JRC Project 2003.

- Participant in Brancusi project on “Thin aluminium and titane oxydes layers for different technologycal and biomedical applications”- cooperations with Polytechnica University Bucharest and Toullouse University, France, 2004-2006.

- The scientific cooperation with ETH Zürich, Department of Materials - Institute of Nonmetallic Materials, Thermodynamic Group, Switzerland concerning "The thermochemical properties of the compounds in the La-Sr-Mn-O system". Agreement on the scientific collaboration 2001-2003.

- Scientific cooperation with Laboratory of Thermophysical Properties, Faculty of Physics, Department of Applied Physics from University of Santiago de Compostela, Spain, (Professor J. Fernandez) on the theme: "Thermophysical properties and phase equilibria in fluid systems". Agreement on cooperation since 2000

- Scientific cooperation with Institute of Chemical Process Fundamentals - Prague (Czech Republic), "E. Hala" Laboratory of Thermodynamics (Dr. I. Wichterle) on the theme: "Phase equilibria in fluid systems". Agreement on cooperation: 1996-2006

- Partner in the frame of the Joule II Project (Contract JOU 2-CT 92-0063 "New SOFC Materials and Technology", 1993-1995, Supplementary Contract ERBCIPD CT930315, 1/4 1994 to 31/12 1995) financed by the Commission of the European Communities. Cooperation with seven partners from Europe (Risø National Laboratory and Haldor Topsøe A/S-Denmark, Forschungszentrum Jülich GmbH-Germany, Institute of Inorganic Chemistry-Latvian Academy of Sciences, Jozef Stefan Institut-Slovenia, CEHTP-Patras-Greece, TNO-Industry-Netherlands, Univ. of Oslo-Norway)

- Scientific cooperation with Institut de Topologie et de Dynamique des Systemes, Universite Paris VII – CNRS, France (Dr. H. V. Kehiaian) on the theme "Phase equilibria and thermodynamic properties in selected systems". Agreement on cooperation since 1993

- The 695/RB(1969-1972) contract with IAEA-Vienna ("Thermodynamic properties of the uranium oxides"). The results of the studies accomplished in a three years contract were published and were included in the Gmelin Handbuch der Anorganischen Chemie: Uran Erg.Bd. C1 (1977) p. 108,124; Erg.Bd. C2 (1978) p. 51, 68 and 193


NATIONAL GRANTED PROJECTS:

- “The influence of composition and structure on thermodynamic, electric and magnetic characteristics of micro and nanostructured oxidic materials with special magnetorezistive properties”, National CEEX-Matnantech Project, 2006-2008.

- “Electrodeposition of nanoalloys with application in microelectronics and thermoelectricity”, Grant CNCSIS, 2006-2008 (collaboration with University „Politehnica” Bucharest).

- “Research network for the development of functionally graded nanostructured composite materials for magnetic sensors and thermal coatings barriers”, National Project CEEX-Relansin, 2006-2008.

- "Thermodynamic and thermochemical characterization of some micro and nanostructured materials with special electric and magnetic properties", Grant CNCSIS type A 2004-2006.

- “Bioelectrochimic technology for the effluents recovery by using biomass”, Program MENER PED 2004-2006.

- “The study of the influence of microstructure and composition on the thermodynamic and thermochemical behaviour of some multicomponent oxide materials”, Grant funded by Romanian Academy 2005-2006

- “The study of phase equilibria and thermodynamic excess properties in selected systems of organic compounds”, Grant funded by Romanian Academy 2005 - 2006.

- “The obtaining and caracterization of new micro and nanostructures composites with applications in tissue engeneering”, Grant CNCSIS 2004-2006, (collaboration with Univ. "Politehnica" Bucharest).

- "The study of thermodynamic aspects for some fermentation processes", Grant CNCSIS type At 2004-2005.

- “Nanotechnology research center for new materials and fabrication processes”, Program MATNANTECH, Partner in the project NANOMATFAB 2002-2005.

- "Characterization of the materials and structures for micro and nanoengineering" - MINAMAT-NET Project in MATNANTECH Program 2002-2004 - founded by MEC-Romania (collaboration with INCDM-Bucharest).

- "Thermodynamic properties of some micro- and nanostructured oxidic materials", Grant funded by Romanian Academy, Contract no. 47/2003-2004.

- "Perovskite-nanostructured La1-xCaxMnO3 with CMR properties"- Project in MATNANTECH Program 2001-2003 funded by MEC-Romania (collaboration with INCDTIM Cluj Napoca).

- “Thermodynamic behaviour of fluid systems in pure state and at equilibrium between phases, base of risk factors evaluation in separation processes”, in INTERDISCIPLINARY PROGRAM FOR RISK FENOMENA PREVENTION AT NATIONAL SCALE - Chemical sciences in prevention of major risks and assurance of an economical and social durable development, Fundamental Program of the Romanian Academy, 2003-2006 (Partners).

- Characterization of materials and structures for micro and nanoengineering research laboratories network”,
Program MATNANTECH, Partner in the project MINAMAT-NET 2001-2004.

- “Thermodynamic and thermochemical characterization of some nanostructured perovskitic materials based on La1-xCaxMnO3 with huge magnetorezistance”, project in the MATNANTECH Program, 2001-2003.

- “Thermodynamic data determination of synthesis process for Co and Mn naphtenic compounds and hexanoats from metal oxide and corresponding carboxylic acids in organic white-spirit media”, MATNANTECH Program, 2001-2002.

- “Nanocrystaline materials with special properties obtained from polycomponent oxidic systems” Participant in the Priority Research Program of the Romanian Academy (on theme: “Thermodynamic characterization of some crystalline nanomaterials”), 2001-2003.

- "Phase equilibria of fluid systems at high pressures with application in the clean technologies of extraction with supercritical fluids" Grant project type AT, no. 7003 GR / 2001-2002 funded by MEC-Romania.

- "Thermodynamic and thermochemical characterization of some oxide materials with special electric properties used in new energy sources" Grant project type C, no. 7003 GR / 2001-2002 funded by MEC-Romania.

- "The study of the thermodynamic and equilibrium properties of some heterogeneous binary systems with applications in the chemical and energetic industry" Grant project no. 5206 / 1999 - 2001 funded by ANSTI-Romania.

- "Thermodynamic characterization of some crystaline nanomaterials" in the "Nanocrystaline materials obtained from polycomponent oxidic systems"- 2001 - Project financed by the Romanian Academy.

- "Relations structure - properties from equilibrium liquid - vapour thermodynamic data, volumetric and transport properties. Applications in metrology", Grant project type A, Contract no. 595 / 2001 funded by CNCSIS-Romania (collaboration with Univ. "Politehnica" Bucharest).

- "Thermochemical propeties of some compounds of dibenzo-cycloheptane" Grant CNCSIS type A Contract Nr. 59/2001 (collaboration with Univ. "Politehnica" Bucharest).

- “Phase equlibria in complex electrolyte systems in mixed solvents with applications in industrial separation processes by extractive distillation”, ANSTI- ORIZONT 2000,
2000, cod 174 (collaboration with Univ. "Politehnica" Bucharest).

- "Thermodynamics of some perovskite-type compounds used in SOFC and hydrogen generators" Grant project no. 4083 / 1998 - 1999 funded by ANSTI-Romania.


NATIONAL PRIZES AWARDED:

The "Gh. Spacu" prize for Chemistry awarded by Romanian Academy in 1972 for research carried out on the theme "The study of thermochemical and thermodynamic properties of uranium oxides" by Dr. S. Tanasescu and Dr. M. Ciopec

The "C. D. Nenitescu" prize for Chemistry awarded in 1998 by Romanian Academy for the research carried out in 1996 on the theme "Thermodynamic properties for organic compound mixtures" by Dr. A. Barhala and Dr. M. Teodorescu

 

Publications top


1. High Temperature Thermodynamics:


• Papers in refereed journals

1.      Speranta Tanasescu, Florentina Maxim, Florina Teodorescu, Liviu Giurgiu, “The Influence of Composition and Particle Size on Spin Dynamics and Thermodynamic Properties of some Magnetoresistive Perovskites”, Journal for Nanoscience and Nanotechnology, in press.

2.      S. Tanasescu, C. Marinescu, F. Maxim, O. Raita, M.N. Grecu, L. Giurgiu, “Thermodynamic properties and spin dynamics of some micro and nanostructured magnetoresistive lanthanum manganites”, Journal of the European Ceramic Society 26, 3005–3010 (2006).

3.      V. Pralong, V. Caignaert, S. H¨¦bert, C. Marinescu, B. Raveau, A. Maignan, “Electrochemical oxidation and reduction of the La0.2Sr0.8CoO3−d phases: Control of itinerant ferromagnetism and magnetoresistance”, Solid State Ionics 177 (2006) 815-820.

4.      S. Tanasescu, C. Marinescu, „Size effects controlling the toxicity and energetics of nanostructured oxide materials”, in “Convergence of micro-nano-biotechnologies”, series in “Micro and Nanoengineering”, Ed. Romanian Academy, no. 9, 59-76, 2006.

5.      A.V. Kovalevsky, F. M. B. Marques, V.V. Kharton, F. Maxim, and J.R. Frade, „Silica-scavenging effect in zirconia electrolytes: assessment of lanthanum silicate formation”, Ionics, 2006, 12, 179-184.

6.      A.V. Kovalevsky, V.V. Kharton, F. Maxim, A.L. Shaula and J.R. Frade, „Processing and Characterization of ferrite-based asymmetric membranes”, The Journal of Membrane Science, 2006, 278, 162-172.

7.      S. Tanasescu, A. Orasanu, D. Berger, I. Jitaru, J. Schoonman, "Electrical Conductivity and Thermodynamic Properties of Some Alkaline-Earth Doped Lanthanum Chromites", International Journal of Thermophysics, 26, 543-557, 2005.

8.      S. Tanasescu, C. Marinescu, F. Maxim, N. Totir, „Effects of the oxygen nonstoichiometry and Mn valence conversion on the thermodynamic properties of LaMnO3±d perovskite-type compounds”, Revue Roumaine de Chimie, 50 (11-12), 951-959, 2005.

9.      S. Tanasescu, C. Marinescu, F. Maxim, "Thermodynamic properties of nano- and micro- structured perovskite-type compounds" in Trans Tech Publications Ltd., Solid State Phenomena, Vol. 99-100, 117-122 (2004).

10.  S. Tanasescu, D. Berger, D. Neiner, N.D. Totir, "Thermodynamic characterisation of some doped lanthanum chromites used as interconnects in SOFC", Solid State Ionics, 157, 365-370 (2003).

11.  S. Tanasescu, C. Marinescu, F. Maxim, "Thermodynamics of Some Doped Micro and Nanostructured Lnthanum Manganites", Annals of West University of Timisoara, Series of Chemistry, Vol. 12, No. 3 (2003).

12.  Speranta Tanasescu, Cornelia Marinescu, Anca Orasanu, "High – temperature thermodynamic data of some perovskite-type compounds based on doped lanthanum manganites and lanthanum chromites", Annals of University Bucharest, Chemistry, XI, vol. I, 155-162 (2002).

13.  S.Tanasescu, N.D.Totir, D. Neiner, "Correlation between the nonstoichiometry and the thermodynamic data of the perovskite-type compounds in the La-Sr-Mn-O system", Journal of Optoelectronics and Advanced Materials, 3, 103-106 (2001).

14.  S.Tanasescu, N.D.Totir and D.I.Marchidan, "Thermodynamic properties of the SrFeO2.5 and SrMnO2.5 brownmillerite-like compounds by means of EMF-measurements", Solid State Ionics 133, 536-542 (2000).

15.  Speranta Tanasescu, N.D.Totir, Daniela Patrascu and Doinita Neiner, "High Temperature Thermodynamic Data of the Ca- and Sr- Doped LaMnO3" - Schriften des Forschungszentrums Julich, Series Energy Technology, Part I, 107-110 (2000).

16.  S. Tanasescu, N.D. Totir and D.I. Marchidan, "A Comparative Study of the Influence of Compositional Variables on the Thermodynamic Properties in the Substituted Lanthanum Manganites" - Schriften des Forschungszentrums Julich, Series Energy Technology, Part I, 111-114 (2000).

17.  S. Tanasescu, N. D. Totir, D. I. Marchidan, "Thermodynamic properties of some perovskyte type oxides used as SOFC cathode materials", Solid State Ionics, 119, 311-315 (1999).

18.  S. Tanasescu, N. D. Totir, D. I. Marchidan, Thermodynamics data of perovskite-type LaMnO3*x and La0.7Sr0.3MnO3*x by a solid state electrochemical technique", Electrochimica Acta, 43, 1675-1681 (1998).

19.  S. Tanasescu, N. D. Totir, D. I. Marchidan, A. Turcanu, "The influence of compositional variables on the thermodynamic properties of lanthanum strontium ferrite manganites and lanthanum strontium manganites" Materials Research Bulletin, 32, 915-923 (1997).

20.  S. Tanasescu, N. D. Totir, D. I. Marchidan, "Thermodynamic properties of LaFeO3 studied by means of galvanic cells with solid oxide electrolyte", Materials Research Bulletin, 32, 925-931 (1997).

21.  S. Tanasescu, N. D. Totir, D. I. Marchidan, "Thermodynamic studies of some composite cathodes used in SOFC" in Solid Oxide Fuel Cells V, The Electrochemical Society, Inc., Eds. U. Stimming, S.C. Singhal, H. Tagawa, W. Lehnert, 879-887 (1997).

22.  S.Tanasescu, N.D.Totir, D.I.Marchidan, "The study of the high temperature oxidation of metals in a solid state electrochemical cell", Solid State Phenomena, 39-40, 81-84 (1994).

23.  Speranta Tanasescu, N.D.Totir, D.I.Marchidan, "The use of electrochemical cells with solid oxide electrolyte for the study of high temperature oxidation of metals" in: High Temperature Electrochemical Behaviour of Fast Ion and Mixed Conductors, Ed.: F.W.Poulsen, J.J.Bentzen, T.Jacobsen, E.Skou and M.J.L.Østergard, p. 435-440 (1993).

24.  S. Tanasescu, M. Keul, V. Leahu, D.I. Marchidan, Ceramic ionic conductors based on stabilized zirconia, Rev. Roum. Chim, 38, 643-648 (1993).

 

• Papers in refereed Conference Proceedings

1.      Speranta Tanasescu, “Thermodynamics of some micro- and nanostructured conducting transition metal oxides”, Proceedings of the International Conference on Materials Science and Engineering - Bramat, Full text on CD-ROM (p. 47-54), 2007.

2.      S. Tanasescu, C. Marinescu, F. Maxim, L. Giurgiu, “The influence of particle size and composition on the thermodynamic properties and spin dynamics of micro- and nanostructured perovskite type materials”, Proceedings of the International Workshop on Nanostructured Materials NANOMAT 2006, 21-23 June 2006, Antalya, Turkey, in press.

3.      Speranta Tanasescu, Ewa Pawlas-Foryst, Krzysztof Fitzner, “Thermodynamic Investigation of the Compounds in the System Eu-Mn-O”, Second Round Table THERPHAD, 30 June-2 July, Zajecar, Serbia and Montenegro, 2006, p. 5.

4.      S. Tanasescu, C. Marinescu, F. Maxim, “Thermodynamics of nonstoichiometric micro and nanostructured lanthanum manganites”, Proceedings of the Romanian International Conference on Chemistry and Chemical Engineering RICCCE XIV, Vol. 2, p.53-60 (2005), ISBN 973-718-284-7 SI 973-718-286-3.

5.      S. Tanasescu, “Current activity on Thermodynamics and Phase Diagram Investigation at Institute of Physical Chemistry Ilie Murgulescu of the Romanian Academy”, Proceedings of the VIII International Workshop of Associated Phase Diagram and Thermodynamics Committee (APDTC), Kosice, Slovakia, 2005, 44-47.

6.      S. Tanasescu, C. Marinescu, F. Maxim and N. Totir, “Thermodynamic Behavior of Some Micro and Nanostructured Perovskite-Type Oxides Used as Components in Solid State Electrochemical Cells”, 207th ECS Meeting - Quebec City, Canada, May 15 - May 20, 2005, Symposium D1 - Nanoscale Aspects in Electrochemical Surface Modification and Corrosion, Meeting Volume (on CD-ROM).

7.      Speranta Tanasescu, “The Characterization of Micro- and Nanostructured Multicomponent Oxide Systems based on a Complex Thermodynamic Approach”, CONFERENCE NANO-MAT-PROD, International Information Day and Brokerage Event, Budapest, Hungary, 20-21 January 2005, in Project Ideas Form published on Internet, 2005, p 1-3.

8.      Speranta Tanasescu, C. Marinescu, F. Maxim, “Thermodynamics of nonstoichiometric micro and nanostructured lanthanum manganites”, Proceedings of the 14th Romanian International Conference on Chemistry and Chemical Engineering, Bucharest, 22-24 Sept. 2005, Physical Chemistry, 2005, p. 53-60.

9.      S. Tanasescu, F. Maxim, C. Marinescu, “Comparative thermodynamic data of micro and nanostructured La1-xCaxMn1-yAlyO3 perovskite-type compounds by a solid state electrochemical technique”, Thermodynamics 2005, 6-8 April, Sesimbra, Portugal 2005, p 116.

10.  Tanasescu S, “Contributions to the Investigation of Phase Diagrams and Thermodynamic Characterization of the Perovskite-Type Compounds in La-Mn-O System”, Proc. Internat. Conf. on Phase Diagram Calculation and Computational Thermochemistry, Poland 2004.

11.  S. Tanasescu, C. Marinescu, F. Maxim, “Comparative thermodynamic study of some doped micro- and nano- structured lanthanum manganites”, Proceedings of the International Conference on Materials Science and Engineering - Bramat, vol. IV, Full text, p. 78-83 (2003).

12.  S. Tanasescu, A. Orasanu, D. Berger, I. Jitaru, J. Schoonman, "Investigation of electrical conductivity and thermodynamic properties of some alkaline-earth doped lanthanum chromites", Proceedings (on CD-ROM) of The Sixteenth European Conference on Thermophysical Properties "ECTP 2002" 1-4 Sept. 2002, Imperial College, London, UK, Full text, p. 1-14.

13.  Speranta Tanasescu, Daniela Berger, Anca Orasanu, N. Totir, "High Temperature Thermodynamic Properties of Ca- and Sr- Doped LaCrO3", Proceedings of the 12th Romanian International Conference on Chemistry and Chemical Engineering, Bucharest, 13-15 September 2001, Science and Engineering of Oxide Materials, p. 157-162.

14.  Speranta Tanasescu, Cornelia Marinescu, Doinita Neiner, "High Temperature Thermodynamic Data of the Compounds in the La (Sr, Ca)-Mn-O System", Proceedings of the 12th Romanian International Conference on Chemistry and Chemical Engineering, Bucharest, 13-15 September 2001, Physical Chemistry, p. 161-166.

15.  S. Tanasescu, D. Neiner, N. D. Totir, "Thermodynamic characterisation of some doped lanthanum chromites used as interconnects in SOFC", Proc. of The 6th International Symposium Systems with Fast Ionic Transport, 9-12 May 2001, Krakow, Poland.

16.  M. Zaharescu, S. Tanasescu, L. Viciu, D. Patrascu, D. Neiner, A. Ianculescu, "Comparative study of phase formation and thermodynamic properties of lanthanum manganites and lanthanum chromites" Proc. of the 13-th Conference on Glass and Ceramics Varna, 29 Sept. - 1 Oct. 1999, Eds: B.Samuneva, S. Bachvarov, I. Gutzov, Y. Dimitriev, Publ. House; Science Invest;, Sofia, vol.2, p. 172-177.

17.  S. Tanasescu, L. Popescu, D. Patrascu, D. Neiner, M. Zaharescu, "The study of the correlation between the composition and the thermodynamic properties of Ca- and Sr- doped lanthanum manganites", Proceedings of the 11th International Conf. of Chemistry and Chemical Eng., 30 Sept.–2 Oct. 1999, Bucharest, Romania, p.59-64.

18.  S.Tanasescu, N.D.Totir, D. Patrascu and D. Neiner, "High temperature thermodynamic properties of the lanthanum manganites with the perovskite structure" Proceeding of the 11th International Conference of Chemistry and Chemical Engineering, 30 September – 2 October 1999, Bucharest, Romania, p. 167-172.

 

• Papers in Conference Communications, Workshops

1.      S. Tanasescu, C. Marinescu, F. Teodorescu, “Energetic parameters controlling the properties of some micro and nanostructured conducting transition metal oxides”, Al 6-lea Seminar National de Nanostiinta si Nanotehnologie, Bucuresti, 26 March 2007, published on Internet, (http://www.romnet.net/nano/membership/login.php).

2.      S. Tanasescu, “The characterization of micro- and nanostructured multifunctional systems based on a complex thermodynamic approach”, Info- and brokerage event in new technologies and materials (FP7/2007: NMP/ICT)”, 22-23 March 2007, Bucharest, presentation on web (http://www.minos-euro.net/brokerage/members/login.php).

3.      S. Tanasescu, “The control of the energetic parameters: important step in understanding the stability and reactivity of the micro and nanostructured materials, Minos-Euronet scientific and brokerage event: Cooperation in industry-oriented research in an enlarged Europe: „Info- and brokerage event in new technologies and materials (FP7/2007: NMP/ICT)”, 22-23 March 2007, Bucharest, presentation on web (http://www.minos-euro.net/brokerage/members/login.php).

4.      Speranta Tanasescu, „Aspects of the Relative Contribution of Particle Size Versus Particle Composition in the Overall Toxicity of Nanocrystalline Materials”, Seminarul national “nano” - 2 March 2006, Academia Romanian Academy, Bucharest, Romania.

5.      Speranta Tanasescu, Contribution in the frame of Fp6 Program. CA Project: “Improving the understanding of the impact of nanoparticles on human health and the environment - ImPart”, Strategy Forum MINOS-EURONET, 18-19 May 2006, Bucharest, Romania.

6.      Speranta Tanasescu, “Contribution to the Thermodynamics and Phase Diagram Investigation”, Associated Phase Diagram and Thermodynamics Committee (Poland, Czech Republic, Slovakia, Hungary, Bulgary, Serbia and Montenegro, Slovenia and Romania) 30 June - 2 July 2006, Zajecar (Serbia and Montenegro).

7.      Speranta Tanasescu, Ewa Pawlas-Foryst, Cornelia Marinescu, Florentina Maxim, Krzysztof Fitzner, „Studies on the thermodynamic stability of the EuMnO3 perovskite-type oxide”, ROMPHYSCHEM-12, September 6-8, 2006, Bucharest, Romania.

8.      Speranta Tanasescu, “The effect of composition and particle size on the thermodynamic properties of micro and nanostructured perovskite type materials”, ROMPHYSCHEM-12, September 6-8, 2006, Bucharest, Romania.

9.      F. Maxim, P. Ferreira, P. M. Vilarinho, „Effect of hydrothermal synthesis conditions on the titanium oxide nanotubes formation”, Journadas CICECO III, 13-14 January 2006, Aveiro, Portugal.

10.  F. Maxim, P. Ferreira, P. M. Vilarinho, “Titania nanotubes synthesis: the importance of the neutralizing step”, Book of Abstract - Electroceramics X, 18- 22 June 2006, Toledo, Spain.

11.  S. Tanasescu, C. Marinescu, F. Maxim, M. N. Grecu, L. Giurgiu, “The Spin Dynamics and Thermodynamic Properties of Micro- and Nanostructured Lanthanum Manganites La0.67Ca0.33Mn1-XAlxO3 (x=0-0.05)”, IEEE ROMSC 2005, 22-26 Oct. 2005 Iassy, Romania, IEEE Magnetics Society Chapter Romania Section.

12.  S. Tanasescu, F. Maxim, C. Marinescu, “Comparative thermodynamic data of micro and nanostructured La1-xCaxMn1-yAlyO3 perovskite-type compounds by a solid state electrochemical technique”, Thermodynamics 2005, 6-8 April, Sesimbra, Portugal.

13.  S. Tanasescu, C. Marinescu, F. Maxim, “New Possibilities for the Thermodynamic Characterisation of Micro- and Nanostructured Oxide Systems by Nonconventional Experimental Methods”, Seminarul National de Nanostiinta si Nanotehnologie, 18 January 2005.

14.  Speranta Tanasescu, Cornelia Marinescu, Florentina Maxim, "Thermodynamic Characterization of Micro and Nanostructured Materials with Special Magnetic and Electric Properties", Seminarul National Seminar of "Nanostiinta si Nanotehnologie", Bucharest, 27 January 2004.

15.  Speranta Tanasescu, "Nanocrystaline Structure Effect on Thermodynamic Properties of Lantane Manganite Substituents", National Seminar of “Engineering and Nanosciences”, Bucharest, 23 April 2004.

16.  Speranta Tanasescu, "Thermodynamic Characterization of Micro- and Nanostructured Multicomponent Oxide Systems", BSUN - COSENT NANANOFORUM - Brokerage event for Projects under the 6th Framework Program

17.  Florentina Maxim, Cornelia Marinescu, Speranta Tanasescu, "Nanostructure Influence on the Thermodynamic Data of the Doped Lanthanum Manganites", BSUN- COSENT NANANOFORUM - "Conference for Graduate Students and Junior Research Scientists", Constanta, Romania, 3-4 September 2004.

18.  Speranta Tanasescu, "Efect of Dopants and Nonstoichiometry an Thermodynamic Properties of Micro and Nanostructured Lanthanum Manganites", The 7th Internatioanl Symposium on System with Fast Ionic Transport, Bled, Slovenia, 5-9 May 2004.

19.  Speranta Tanasescu, "Contributions to the Thermodynamic Characterization of the Perovskite-Type Compounds in La-Mn-O System", The International Conference on Phase Diagram Calculation and Computational Thermochemistry, CALPHAD XXXIII, Cracow, Polond, 30 May-4 June 2004.

20.  Speranta Tanasescu, "Contributions to the Thermodynamic Investigation of the Micro- and Nanostructured Perovskite-Type Compounds", Workshop of the working groups in the COST525 European Action Meeting, 13-17 November 2004 Limerick, Ireland.

21.  S. Tanasescu, C. Marinescu, F. Maxim, "The Effect of Different Compositional Variables on the thermodynamic Properties of some Doped Micro- and Nano- Structured Lanthanum Manganites", The 9th European Conference on Solid State Chemistry, Stuttgart, Germania, 3-6 Sept. 2003, P114.

22.  Speranta Tanasescu, "Thermodynamic Properties of Nano- and Micro- Structured Perovskite-Type Compounds", EMRS 2003 Fall Meeting, Warsaw, Poland, 15-19 Sept. 2003.

23.  S. Tanasescu, "Thermodynamic investigation of the nano and microstructured lanthanum manganites by a solid state electrochemical technique", SPECIAL WORKSHOP ON SYNTHESIS, PROPERTIES AND CHARACTERISATION OF NANOMATERIALS. APPLICATIONS IN SENSORS, Oct. 2003, Sinaia, Romania.

24.  S. Tanasescu, C. Marinescu, F. Maxim, N.D.Totir, Thermodynamic Study of Some Micro and Nanostructured Perovskite-Type Compounds by a Solid State Electrochemical Technique, The 203rd Meeting of The Electrochemical Society, Gerischer Symposium on Nanostructured Semiconductor Materials and Interfaces, Paris, France, April 27- May 2, 2003.

25.  Speranta Tanasescu, "Thermodynamic characterization of some doped nano- and micro- structured lanthanum manganites", COMMUNICATION AND INTEGRATION IN NANOMATERIALS, NSF SPONSORED WORKSHOP, Brasov, Romania, 30 Sept. – 2 Oct. 2002.

26.  Speranta Tanasescu, Cornelia Marinescu, Florentina Maxim, "Thermodynamic Characterization of Some Doped Lanthanum Manganites", 3rd International Conf. of the Chemical Societies of the South-Eastern European Countries, Bucharest, Romania, 22-25 Sept. 2002.

27.  Anca Orasanu, Daniela Berger, Speranta Tanasescu, "High Temperature Thermodynamic Data of Some Perovskite Materials Used as Interconnects in SOFC" Showcase of Advances in European Chemistry Research and R&D, Londra, UK, 2-3 July 2001.

28.  S.Tanasescu, D.Neiner, N.D.Totir, "Thermodynamic properties and the phase equilibrium in the La-Sr-Mn-O system", The 10th Conference on Physical Chemistry, Iassy, Romania, 26-29 Sept. 2000.

29.  S.Tanasescu, N.D.Totir, D. Neiner, "Correlation between the nonstoichiometry and the thermodynamic data of the perobvskite-type compounds in the La-Sr-Mn-O system", Romanian Conference on Advanced Materials, ROCAM 2000, Bucharest, 23-25 Oct. 2000.

30.  S. Tanasescu, "High temperature thermodynamic properties of some compounds with perovskite-type structure”, The 9th Session of the Annuals Scientific Communications – Romanian Academy, Chemical Sciences Section, Commission of the Calorimetry and Thermal Analysis, February 2000.

31.  S. Tanasescu, "Thermodynamic Data of some Perovskite-type Materials Used as Cathodes in Solid Oxide Fuel Cells", The Sixteenth Thermodynamics Conference "Thermodynamics and Statistical Mechanics with Industrial Applications", London, 14-16 April 1999.

32.  S. Tanasescu, L. Popescu, D. Patrascu, M. Zaharescu, "The effect of the alcaline earth (Ca, Sr) dopants on the thermodynamic properties of lanthanum manganites and lanthanum chromites", The 6th Conference & Exhibition of the European Ceramic Society (ECerS 1999), Brighton, UK, 20-24 June 1999.

33.  Speranta Tanasescu, C. Alexandrescu, L. Popescu and M. Zaharescu, "The influence of strontium and calcium dopants on the thermodynamic properties of the lanthanum manganites" 1st International Conference of the Chemical Societies of the South-East Countries on Chemical Sciences and Industry, Halkidiki, Greece, June 1-4, 1998.

34.  S. Tanasescu, N.D.Totir, D.I. Marchidan, "Correlations between the composition and the thermodznamic properties of some perovskite-type compounds" The 9th Conference on Physical Chemistry, Sept. 23-25, 1998, Galati, Romania

 


2. The Phase Equilibria and Thermophysical Properties


• Papers in refereed journals

1.      Dana Dragoescu, Mariana Teodorescu and Alexandru Barhala, Isothermal (vapour- liquid) equilibria and excess Gibbs energies in some binary cyclopentanone + chloroalkane mixtures at temperatures from (298.15 to 318.15) K, The Journal of Chemical Thermodynamics, in press, accepted manuscript, available online 19 March 2007.

2.      Cristina Stoicescu, Olga Iulian, Florinela Sirbu, Equilibrium experimental data in ternary system containing water, n-propanol, and n-butanol, Revue Roumanie de Chimie, submitted.

3.      Barhala A., Dragoescu D., Teodorescu M., Wichterle I, Isothermal (vapour + liquid) equilibria in the binary mixtures (1,2-dichloroethane and 1,1,1-trichloroethane with cyclopentanone) within the temperature range (298.15 to 313.15) K, The Journal of Chemical Thermodynamics, 38/5, 617-623 (2006).

4.      Teodorescu M., Barhala A., Dragoescu D., Isothermal (vapour-liquid) equilibria for the binary (cyclopentanone or cyclohexanone with 1,1,2,2-tetrachloroethane) systems at temperatures of (343.15, 353.15 and 363.15) K, The Journal of Chemical Thermodynamics, 38/11, 1432-1437 (2006).

5.      Barhala A., Teodorescu M., Dragoescu D., Structural effects and intermolecular interactions in homologous series of organic systems evidenced by thermodynamic properties in the frame of DISQUAC model, Rev. Roum. Chim., 51/4, 329-344 (2006).

6.      Olga Iulian, Cristina Stoicescu and Oana Ciocirlan, "Properties of the binary and ternary mixtures containing water, 1, 4 - dioxane and ethylene glycol. Viscosity correlations", Revue Roumanie de Chimie, 51(7-8), 811-817 (2006).

7.      F. Sirbu, O. Iulian, O. Ciocirlan, C. Stoicescu, Predictive and correlative methods for activity coefficient of aqueous mixed electrolyte systems. Applications to some practical systems, Analele Universitatii Ovidius, Constanta, Chemistry Series, vol. XVI, no. 2, 253-256 (2005).

8.      O Iulian, F Sirbu, Prediction of the volumetric properties for aqueous NaCl-KBr and NaCl-CaCl2 mixtures, Revue Roumaine de Chimie, 50/11-12, 1027-1034 (2005).

9.      Teodorescu M., Barhala A., Wichterle I., The potential of Soave-Redlich-Kwong equation of state in describing phase equilibria data at high pressures for the CO2 + 1-alcohol systems, Rev. Roum. Chim., 49/11, 927-934 (2004).

10.  A. Barhala, Dana Dragoescu, Vapour-liquid equilibrium in binary mixtures of chloroalkanes with aromatic hydrocarbons, Rev. Roum. Chim., 49(2), 97-104 (2004).

11.  Valtz A., Teodorescu M., Wichterle I., Richon D., Liquid densities and excess molar volumes for water + diglycolamine, and water, methanol, ethanol, 1-propanol + triethylene glycol binary systems at atmospheric pressure and temperatures in the range of 283.15 - 363.15 K, Fluid Phase Equilibria, 215, 129-142 (2004).

12.  M. Teodorescu, M. Wilken, R. Wittig, J. Gmehling, "Azeotropic and solid-liquid equilibria data for several binary organic systems containing one acetal compound", Fluid Phase Equilibria 204, 267-280 (2003).

13.  M. Teodorescu, M. Krummen, J. Gmehling, "Excess Molar Enthalpies for the Binary Systems of Benzene or Cyclohexane with 1,1-Diethoxyethane at 323.15 K or with 2,2-Dimethoxybutane at 303.15 K and Infinite Dilution Activity Coefficients in 1,1-Diethoxyethane", Journal of Chemical and Engineering Data 48, 435-439 (2003).

14.  M. Teodorescu, L. Lugo, J. Fernández, "Modeling of Gas Solubility Data for HFCs – Lubricant Oil Binary Systems by Means of the SRK Equation of State", International Journal of Thermophysics, 24/4, 1043-1060 (2003).

15.  M. Teodorescu, I. Wichterle, "Modeling of the Nitrogen and Carbon Dioxide Solubility in Alternative Fuels at High Pressures Using Soave–Redlich–Kwong Equation of State", Chem. Eng. & Technol. 26, 992-995 (2003).

16.  D. Dragoescu, M. Teodorescu, A. Barhala, I. Wichterle, "Disquac characterization of the carbonyl-chlorine interactions in binary mixtures of linear ketone with chloroalkane", Collect. Czech. Chem. Commun., 68, 1175-1192 (2003).

17.  Dana Dragoescu, A. Barhala, Rodica Vilcu, Thermodynamic modelling of vapour-liquid equilibria data of linear ketones + chloroalkanes selected mixtures, Annals of West University of Timisoara, Series of Chemistry, 12 (3), 343 (2003).

18.  Dana Dragoescu, A. Barhala, Rodica Vilcu, "Thermodynamic excess properties in binary mixtures of molecules of different sizes and shapes", Analele Universitatii Bucuresti, Chemistry, XI, vol. I, 37-44 (2002).

19.  A. Barhala, Dana Dragoescu "Isothermal vapour-liquid equilibria in binary mixtures of methyl ethyl ketone +(alpha, omega)-dichloroalkanes by static total pressure method at temperatures from 298.15 to 318.15 K", Rev. Roum. Chim., 47, 831 (2002).

20.  O.Iulian, O. Ciocarlan, F Piperea, "Density, viscosity and enthalpy of mixing for several binary-systems with dimethylsulfoxide", U.P.B. Sci. Bull. Series B, vol64, no. 3, p. 3-10 (2002).

21.  M. Teodorescu, K. Aim, I. Wichterle, "Isothermal vapor-liquid equilibrium in the quaternary water + isopropanol + acetic acid + isopropyl acetate system with chemical reaction" J. Chem. Eng. Data 46, 261-266 (2001).

22.  M. Teodorescu, P. Rasmussen, "High pressure vapor-liquid equilibria in the systems: nitrogen + dimethyl ether, methanol + dimethyl ether, carbon dioxide + dimethyl ether + methanol and nitrogen + dimethyl ether + methanol" J. Chem. Eng. Data 46, 640-646 (2001).

23.  A. Barhala, "Vapour-liquid equilibria in binary mixtures of 2-propanome + some chloroalkanes" International Data Series, Selected Data on Mixtures Ser. A, 29, 239-250 (2001).

24.  M. Teodorescu, D. Dragoescu, A. Barhala, "Estimation of the DISQUAC interaction parameters for the cycloalkyl / phenil contact in cycloalkane + n-alkylbenzene mixtures", Revue Roumaine de Chimie, 46, 487-495 (2001).

25.  Barhala A., Teodorescu M., "Measurement of vapour-liquid equilibria by ebuliometry". Rev. Roum. Chim., 46, 967-973 (2001).

26.  A. Barhala, D. Dragoescu, "Vapour-liquid equilibria by static method", Rev. Roumaine Chim., 46, 773-778 (2001).

27.  D. Dragoescu, A. Barhala, "DISQUAC predictions of phase equilibria, molar and standard partial molar excess quantities for 2-propanone + chloroalkanes mixtures", Revue Roumaine de Chimie, 46, 847-855 (2001).

28.  M. Teodorescu, Z. Wagner, I. Wichterle, "Application of the predictive UNIFAC model to the pentan-3-one/chloroalkane and 5–chloro–2–pentanone/hydrocarbon binary systems", Chem. Eng. Technol. 23, 367-378 (2000).

29.  M. Teodorescu, I. Wichterle, "Evaluation of the carbonyl/chlorine interaction parameters in the pentan-3-one + chloroalkane mixtures using the DISQUAC group contribution model", Collect. Czech. Chem. Commun., 65 / 10, 1559-1570 (2000).

30.  D. Dragoescu, A. Barhala, R. Vilcu, "Isothermal vapor-liquid equilibrium data for the binary propan-2-one + chloroalkanes mixtures at temperatures from 298.15 K to 313.15 K" Fluid Phase Equilibria 157, 41-51 (1999).

31.  A. Barhala "Echilibrul lichid-vapori in amestecul binar n-hexan + 2-etil-1-butanol", Rev. Chim., 50/10, 756-761 (1999).

32.  M. Teodorescu, J. Linek, "Densities and excess volumes of pentan-3-one + 1,2-dichloroethane + 1,3- dichloropropane + 1,4-dichlorobutane, + trichloromethane, + 1,1,1,-trichloroethane, +1,1,2,2,-tetrachloroethane binary mixtures at 298.15 K", Fluid Phase Equilibria, 146, 155-160 (1998).

33.  M. Teodorescu, K. Aim, I. Wichterle, "Isothermal vapour-liquid equilibria for pentan-3-one + 1,4-dichlorobutane, + trichloromethane, + 1,1,1-trichloroethane, + 1,1,2,2-tetrachloroethane binary mixtures", Fluid Phase Equilibria, 147, 215-228 (1998).

34.  M. Teodorescu, J. Linek, I. Wichterle, "Isothermal vapour-liquid equilibria and densities for the 5-chloropentan-2-one + n-hexane, + toluene and + ethylbenzene binary mixtures", Fluid Phase Equilibria, 149, 127-138 (1998).

35.  D. Dragoescu, A. Barhala, R. Vilcu "Vapour pressures and excess Gibbs energy of propane-2-one + chloroalkanes binary mixtures", Fluid Phase Equilibria, 146, 247-259 (1997).

36.  A. Barhala, D. Dragoescu, A. Crisciu, "Relationship between refractive index and excess volume in binary non-electrolyte systems", Revue Roumaine de Chimie, 42/1, 55-62 (1997).

37.  D. Dragoescu, A. Barhala, R. Vilcu, "Isothermal vapour-liquid equilibria in binary mixtures of cyclohexane + propylbenzene by static total pressure method at temperatures from 303.15 K to 323.15 K", ELDATA: The International Electronic Journal of Physico-Chemical Data, 3, 85-90 (1997).

38.  M. Teodorescu, A. Barhala, O. Landauer, "Isothermal vapour-liquid equilibrium data for the binary pentan-3-one + 1,2-dichloroethane or 1,3-dichloropropane mixtures at temperatures from 323.15 K to 373.15 K", ELDATA: The International Electronic Journal of Physico-Chemical Data, 3, 101-108 (1997).

39.  Teodorescu M., Barhala A., Landauer O., “Isothermal vapor-liquid equilibrium data for the binary cyclooctane + butylbenzene and n-heptane + cyclooctane at temperatures from 343.15 K to 393.15 K”. ELDATA: Int. Electron. J. Phys.-Chem. Data, 2, 169-174 (1996).

40.  Teodorescu M., Barhala A., Landauer O., “Isothermal vapor-liquid equilibrium data for the binary cyclooctane + propylbenzene mixture at temperatures from 363.15 to 393.15 K”. ELDATA: Int. Electron. J. Phys.-Chem. Data, 2, 97-102 (1996).

41.  Teodorescu M., Barhala A., Marchidan D. I., Landauer O., “Vapour pressures and excess Gibbs energy of ethylbenzene - cyclooctane binary mixtures”. Fluid Phase Equilibria, 126, 127-134 (1996).

42.  Barhala A., Teodorescu M., Crisciu A. V., Marchidan D. I., “Vapour-liquid equilibria in cyclooctane-toluene binary mixtures”. Rev. Roum. Chim., 41/7-8, 515-521 (1996).

 

• Papers in refereed Conference Proceedings

1.      Barhala A., Dragoescu D., Teodorescu M., Wichterle I., “Vapor- liquid equilibria and excess Gibbs energies of cyclopentanone + chloroalkane binary mixtures”, 14th Romanian International Conference on Chemistry and Chemical Engineering, RICCCE 14, September 22-24, 2005, Bucharest, Romania, Vol. 2, p. 25-34.

2.      O. Iulian, C. Stoicescu, O. Ciocirlan, F. Sirbu, “Viscosities and excess viscosities of the binary and ternary systems water, 1,4-dioxane and ethylene glycol at 293.15 K”, Proceedings of the Romanian International Conference on Chemistry and Chemical Engineering-RICCCE XIV, Bucharest, 22-24 September 2005, vol. 2, section 3, Physical Chemistry, S03-77-84.

3.      F. Sirbu, O. Iulian, C. Stoicescu, “Prediction of the thermodynamic properties of aqueous mixed-electrolyte systems. Applications to the volumetric properties”. Proceedings of the Romanian International Conference on Chemistry and Chemical Engineering-RICCCE XIV, September 22-24, Bucharest Romania, 2005, vol. 2, section 3, Physical Chemistry, p. SO3-156-161.

4.      Teodorescu M., Valtz A., Richon D., Wichterle I., “Experimental and Consistent Thermodynamic Modelling of Excess Molar Volumes for Strong Associated Binary Systems”, "ESAT 2003 - 20th European Symposium on Applied Thermodynamics", Lahnstein – Germany, 8-12 Octomber 2003, Volum Preprints, p. 493-496.

5.      M. Teodorescu, "Modelling of Complex Systems Phase Behaviour at High Pressures by Means of the SRK Equation of State", Proc. 13th Romanian International Conf. on Chemistry and Chem. Eng., RICCCE13, vol.2. p. 56-61, Bucharest, 16-20 Sept., 2003.

6.      Dana Dragoescu. A. Barhala, "Thermodynamic behaviour of strongly nonideal alkanones + chloroalkanes binary mixtures", Proc. of the 13th Romanian International Conf. on Chemistry and Chemical Engineering, RICCCE 13, vol. 2, p. 1-6, Bucuresti, 16-20 September, 2003.

7.      F. Sirbu, C. Stoicescu, S. Tudorache, R. Tudorache, "Thermodynamic activities of organic compounds in electrolyte solutions from recent experimental tehniques ", Proceedings of the 13th Romanian International Conference on Chemistry and Chemical Engineering, RICCCE 13, vol.2. p. 147-152, Bucharest, 16-20 Sept., 2003.

8.      C. Stoicescu, F. Sirbu "Experimental techniques for the study of liquid-liquid equilibria", Proceedings of the 13th Romanian International Conference on Chemistry and Chemical Engineering, RICCCE13, vol.2. p. 153-156, Bucharesti, 16-20 September, 2003.

9.      D. Dragoescu, M. Teodorescu and A. Barhala, "Thermodynamics of ketone + chloroalkane binary mixtures in terms of DISQUAC model" Proceedings-of CHISA 2002 – 15th International Congress of Chemical and Process Engineering, 25-29 August, 2002, Prague, Czech Republic – CD-ROM (ISBN 80-86059-33-2); Full text P3.95-1415, p.1-22.

10.  M. Teodorescu, F. Piperea, O. Persson, "An experimental technique for the measurements of gas solubility in heavy liquids or solids at high pressures", 12th Romanian International Conference on Chemistry and Chemical Engineering, RICCCE 12, September 13-15, 2001, Bucharest, Romania, Proceeding Physical Chemistry, Biochemical and Chemical Engineering, p. 32-37.

11.  M. Teodorescu, I. Wichterle, "Modelling of the nitrogen and carbon dioxide solubility in alternative fuels at high pressures using Soave-Redlich-Kwong equation of state, 48". Konference chemickeho a procesniho inzenyrstvi,CHISA 2001, 15-18 October 2001, Srni, Sumava, Proceeding on CD-ROM (ISBN 80-86059-32-4), Full text V3.28, p. 1-7.

12.  A. Barhala, L. Omota, D. Dragoescu, O. Iulian, C. Petre, "Refractive indices, densities and excess volumes of the binary 2- butanone + chloroalkanes systems at 298.15 K", Proceedings of the 12th Romanian International Conf. on Chemistry and Chemical Engineering, RICCCE 12, 13-15 Sept., 2001, Bucharest, Romania, p. 44-49.

13.  Dragoescu D., Teodorescu M., Barhala A., "Estimation of the Disquac interaction parameters for linear ketones + chloroalkanes systems at 298.15 K", 12th Romanian International Conference on Chemistry and Chemical Engineering, RICCCE 12, September 13-15, 2001, Bucharest, Romania, Proceeding Physical Chemistry, Biochemical and Chemical Engineering, p. 38-43.

14.  A. Barhala, D. Dragoescu, R. Vilcu, "Vapour-liquid equilibria in binary mixtures of some chloroalkanes + 2-butanone", Proceeding of the 12th Romanian International Conference of Chemistry and Chemical Engineering, 15-30 September 2001, Bucharest, Romania, p. 7-12.

15.  O. Iulian, F. Piperea, O. Ciocirlan, “Thermodinamic mixing functions of some binary mixtures with dimethyl sulfoxide”, The 12th Romanian International Conference on Chemistry and Chemical Engineering, 13-15 Sept. 2001, Bucharest, Romania, p. 68-73.

16.  M. Teodorescu, I. Wichterle, "Experimental determination of the vapour-liquid equilibria in the systems accompanied by chemical reaction", Proceeding of the 11th International Conference of Chemistry and Chemical Engineering, 30 September – 2 October 1999, Bucharest, Romania, p. 24-29.

17.  D. Dragoescu, A. Barhala, "DISQUAC interaction parameters for 2-propanone + chloroalkanes mixtures", Proceeding of the 11th International Conference of Chemistry and Chemical Engineering, 30 September – 2 October 1999, Bucharest, Romania, p. 78-80.

18.  A. Barhala, D. Dragoescu, R. Vilcu, "Vapour pressures for binary – liquid mixtures of 2-butanone with dichloroalkanes", Proceeding of the 11th International Conference of Chemistry and Chemical Engineering, 30 September – 2 October 1999, Bucharest, Romania, p. 68-73.

19.  M. Teodorescu, "Trends of molecular modeling and process simulation in Romania: existing projects and possible industrial application", Proceeding of selected papers from ICS-UNIDO Expert Group Meeting on Modeling in Chemistry and Chemical Industry, Trieste, Italy, 14-16 October 1998, p. 103-115.

20.  M. Teodorescu, "Thermodynamic properties of binary pentan-3-one + chloroalkane mixtures". Proceeding on CD-ROM of the 13th International Congress of Chemical and Process Engineering CHISA '98, 23-28 August 1998, Prague (Czech Republic), E.3.1, No. index 280, 15 pgs.

 

• Papers in Conference Communications, Workshops

1.      Dragoescu D., Barhala A., Teodorescu M., “Isothermal measurements on vapour-liquid equilibria of cyclic ketones + chloroalkanes selected mixtures”, International Conference of Physical Chemistry ROMPHYSCHEM-12, September 6-8, 2006, Bucharest – Romania, Abstract Book, p. 234.

2.      Teodorescu M., Barhala A., Dragoescu D., “Measurement and thermodynamic description of the vapour-liquid equilibria in two azeotropic systems from the cycloketone + chloroalkane series”, International Conference of Physical Chemistry ROMPHYSCHEM-12, September 6-8, 2006, Bucharest – Romania, Abstract Book, p. 235.

3.      F. Sirbu, O. Iulian, C.Stoicescu, “Activity Coefficients, “Densities and Adiabatic Compressibility in Aqueous KCl-CaCl2 and KCl-MgCl2 Mixed Electrolyte Systems”, The 12 th Conference on Physical Chemistry, ROMPHYSCHEM-12, September 6-8, Bucharest University, Romania, 2006, vol. Abstracts, section 3, Chemical thermodynamics, p. 82.

4.      Cristina Stoicescu, Olga Iulian and Florinela Sîrbu, "Liquid-Liquid Equilibria In Ternary Systems With Alcohols", International Conference of Physical Chemistry, ROMPHYSCHEM 12, September 6-8, 2006, Bucharest, ROMANIA, Abstract Book, Symposium 11, Fluid Phase Equilibria, posters, p. 239.

5.      Fandiño O., López E. R., Lugo L., Teodorescu M., Mainar A. M., Fernández J., “Solubilidad de CO2 en el lubricante pentaeritritol tetra-2-etilhexanoato”, 2ª Reunión De Expertos En Tecnologías De Fluidos Comprimidos, Valladolid, España, Del 19 al 21 de Octubre de 2005, Book of Abstracts P23.

6.      M. Teodorescu, "The potential of SRK EOS in describing the VLE data at high pressures for CO2 + n-alcohol systems", 3rd International Conference of the Chemical Societies of the South-Eastern European Countries on «Chemistry in the New Millennium - an Endless Frontier», Bucharest, Romania September 22-25, 2002, Book of Abstracts Vol II, p. 42.

7.      O. Iulian, O. Ciocirlan, F. Piperea, C. Petre, “Excess thermodynamic functions in binary systems with dimethyl sulfoxide”, 3th Int. Conf. of the Chemical Societies of the South-Eastern European Countries, 22-25 Sept. 2002, Bucharest, Romania, PO 287.

8.      R. Veira, M. Teodorescu, E.R. López, L. Lugo, J. Fernández, "Nueva técnica experimental para medir solubilidades de gases en líquidos. medidas de sistemas HFC134a + polieter",VIII Encuentro del Grupo Especializado de Termodinámica de las Reales Sociedades Españolas de Física y de Química, Jarandilla de la Vera (Cáceres), Espana, 26 al 29 de Junio de 2002, Book of Abstracts, p. 101-102.

9.      M. Teodorescu, L. Lugo, J. Fernandez, "Gas solubility correlation and density prediction for HFC - lubricant oil binary systems by means of SRK equation of state", 2nd International Workshop on Thermochemical, Thermodynamic and Transport Properties of Halogenated Hydrocarbons and Mixtures, Paris, France, April 9-11, 2001, Book of Abstracts, p. 119.

10.  A. Barhala, Dana Dragoescu, Rodica Vilcu, "Vapour-liquid equilibria in binary mixtures of aliphatic ketones with 1-chloroalkane", The 10th Conference on Physical Chemistry, Iasi, Romania, September 26-29, 2000, Abstracts and Communications, p. SY.PE PO 7.

11.  Dana Dragoescu, Ligia Omota, A.Barhala, Olga Iulian, Cristina Petre, "Refractive indices, densities and excess volumes of binary propan-2-one + chloroalkanes systems at 298.15 K", The 10th Conference on Physical Chemistry, Iasi, Romania, September 26-29, 2000, Abstracts and Communications, p. SY.PE PO 2.

12.  Teodorescu M., Vapour-liquid equilibria experiments. “Importance and Practical Applications”, “National Conference of Physical Chemistry”, Iassy, Romania, September 26-29, 2000, Abstracts and Communications, p. SY.PE PO 11.

13.  Wichterle I., Aim K., Teodorescu M., “Phase equilibria in an esterification reaction”. 14th International Congress of Chemical and Process Engineering CHISA 2000, 27-31 August 2000, Prague (Czech Republic), Summaries 2, p.65.

14.  Aim K., Teodorescu M., Wichterle I., “Vapor-liquid and chemical equilibrium in the water + isopropanol + acetic acid + isopropyl acetate system”. 16th IUPAC Conference on Chemical Thermodynamics, Halifax, Nova Scotia, Canada, 6-11 August 2000, Symposium of Fluid Phase Equilibria, S6c-MON-16:00-C.

15.  Teodorescu M., Persson O., Rasmussen P., “High pressure vapour-liquid equilibria in systems including dimethyl ether”. 18th European Seminar on Applied Thermodynamics - ESAT 2000, Kutna Hora, Czech Republic, June 8-11, 2000, Book of Abstracts p. 67.

16.  Aim K., Teodorescu M., Wichterle I., “Vapour-Liquid Equilibrium in a Quaternary System with Esterification Reaction: Measurement and Data Correlation”. 18th European Seminar on Applied Thermodynamics - ESAT 2000, Kutna Hora, Czech Republic, June 8-11, 2000, Book of Abstracts p. 49.

17.  Dana Constantinescu, D. Geana, Cristian Telea, "Excess enthalpies for binary organic systems", The 10th Conference on Physical Chemistry, Iassy, Romania, September 26-29, 2000.

18.  Teodorescu M., Wichterle I., “Isothermal vapour-liquid equilibria in the quaternary system (isopropanol + acetic acid + water + isopropyl acetate) with chemical reaction at 353.15 K”. "Thermodynamics 99" Thermodynamics and Statistical Mechanics with Industrial Application, 14-16 April 1999, London (UK), p. 5.

19.  O. Iulian, C. Petre(Stoicescu), A. Barhala, "Viscosity, a critical review of practical predictive and correlative methods applications", The 11th Romanian International Conference on Chemistry and Chemical Engineering, 30 September-2 October, 1999, Bucharest, Romania.

20.  Mariana Teodorescu, Dana Dragoescu, A. Barhala, "Estimation of DISQUAC interaction pameters for the cycloalkane + n-alkylbenzene mixtures", the 9th Conference on Physical Chemistry, Galati, 23-25 September, 1998, The 23rd National Workshop on Phase Equilibria, C12.

21.  Teodorescu M., Wichterle I., “DISQUAC interaction parameters for C=O/Cl group in the pentan-3-one + chloroalkane mixtures”. "15th IUPAC Conference on Chemical Thermodynamics", July 26-August 1, 1998, Porto (Portugal), Book of Abstracts C1-25.

22.  Teodorescu M., Linek J., Wichterle I., “Thermodynamic properties of binary 5-chloropentan-2-one + n-hexane, toluene and ethylbenzene mixtures”. 15th IUPAC Conference on Chemical Thermodynamics, July 26-August 1, 1998, Porto (Portugal), Book of Abstracts P 1-8.

 


3. Thermochemical characterization of the biological interest compounds:


• Papers in refereed journals

1.      A. Neacsu, I. Contineanu, T.V. Popa, ”The kinetics and thermodynamics of dehydratition of monohydrated asparagine. I”, J. Thermal Anal., in press.

2.      I. Contineanu, A. Neacsu, S. Perisanu, ”The standard enthalpies of formation of L-asparagine and L-a-glutamine”, Thermochimica Acta, in press.

3.      M. Contineanu, Ana Neacsu,”Radical species formed by gamma radiolysis of polycrystalline telluric acid, Revue Roumaine de Chimie, in press, vol. 11, 2007.

4.      M. Contineanu, F. Zalaru, I. Contineanu,”The study of radical species formed by radiolysis in polycrystalline solide state of crome oxydes”, Rev. chimie, 57, 4, 347-356 (2006).

5.      M. Contineanu, A. Neacsu, ”Radiolysis of lead chromate dopped with chrome oxyde”, Rev. chim., vol. 57, 706-710 (2006).

6.      St. Perisanu, Iulia Contineanu, M. D. Banciu, Hui Zhao, N. Rath, J. Chickos, „The structure and thermochemistry of 3:4,5:6-dibenzo-2-hydroxymethylene-cyclohepta-3,5-dienenone(1) and some related compounds”, Struct. Chem., vol. 17, 639-648 (2006).

7.      I. Contineanu, S. Perisanu, A. Neacsu, “The enthalpies of combustion and formation of the isomers of amino-benzoic acid”, Revue Roum. Chim.,vol. 51(4), 323-327 (2006).

8.      S. Perisanu, D. Banciu, I. Contineanu, L. Chivu, A. Neacsu, ”A DSC study of some dibenzocycloheptanic alcohols”, Revista de chimie, vol. 56(8), 813-816 (2005).

9.      Iulia Contineanu, L. Chivu, S. Perisanu, “The enthalpy of formation of 2-keto-glutaric acid”, Revista de chimie,vol. 56(7), 720-724 (2005).

10.  Iulia Contineanu, Loredana Chivu, Cr. Telea and Stefan Perisanu, “The enthalpies of combustion and formation of glutamic and 6-amino-hexanoic compounds”, J.Thermal Anal. Vol. 82, 3-6 (2005).

11.  M. Contineanu, A. Dobrescu, Iulia Contineanu, "The calculation of the dose rate of gamma radiation in inner of a source of empty cylinder shape", Revista de chimie, 55(11), 864-867 (2005).

12.  C. Telea, M. Freamat, Iulia Contineanu, "Calorimetric study of growth of Sacharomices cerevisiae.I.", Revista de chimie, 54(3), 273 (2003).

13.  S. Perisanu, I. Contineanu, M.D. Banciu, J.F. Liebman, B.S. Farivar,M.A. Mullan, J.S. Chickos, N. Rath, D.M. Hillesheim, "The enthalpies of formation of two dibenzocyclooctadienones", Thermochimica Acta, 400/1-2, p. 109 (2003).

14.  Iulia Contineanu, "The enthalpies of combustion and formaion of L-?-citruline", Analele Universitatii Bucuresti, Chemistry, XI, vol. I, 23-26 (2002).

15.  Iulia Contineanu, Simona Predescu, "The enthalpies of combustion and formation of N-benzoyl-?-alanine and 4-aminohippuric acid", Rev. Roum. Chim., 46(11), 1203 (2001).

16.  Iulia Contineanu, C. Telea, "Microbomba de combustie asociata cu un calorimetru de tip Tian-Calvet" Revista de Chimie, vol. 52 (10), p. 576-580 (2001).

17.  G. Chilom, O. Chilom, C.Telea, T.Visan, "A calorimetric study of bovine serum albumin interaction with urea", Rev. Roumaine Chim. 45, 989-993 (2001).

18.  I. Contineanu, "The enthalpies of combustion and formation of some aliphatic aminoacids", Revista de chimie 50 (10) 739 (1999).

19.  S. Calin, C. Telea, G. Chilom, "Thermodynamics and kinetics of decomposition processes of alanine and aspartic acid" Rev. Roumaine Chim., 43(2) 101 (1998).

20.  S. Calin, O. Chilom, C. Telea, "Thermal stability and nonisothermal decomposition kinetics of aminobutyric acis isomers" Rev. Roumaine Chim., 43/9 867 (1998).

21.  S. Calin, C. Telea, G. Chilom, "A thermodynamic study of urea-water mixture by VPO" Rev. Roumaine Chim., 42/2, 85 (1997).

22.  I. Contineanu and D.I. Marchidan, "The enthalpies of combustion and formation of L-, D- and DL-aspartic acids" Rev. Roumaine Chim., 42/7, 60 (1997).

23.  I. Contineanu, C.Telea "Microbomb of combustion" Patent OSIM 111966 B 1 Int. Cl6 G01 25/26 (1997).

24.  C. Telea, O. Chilom, G. Geambas, V. Popa,"Comparative study of isothermal and nonisothermal thermokinetic processes" J. Thermal Analysis, 50, 647 (1997).

25.  I. Contineanu and D.I. Marchidan, “The enthalpies of combustion and formation of some isomers of amino-butyric acid” Rev. Roum. Chim.,12, 1391-1395 (1994).

 

• Papers in Conference Communications, Workshops

1.      Romica Sandu, Anca Sofronia, Tatiana Pascu, Mihaela Hillebrand, “Thermodynamic properties of 3-formilphenoxathiin and β-cyclodextrin aqueous solution mixtures”, International Conference on Physical Chemistry, p. 84, 6-8 Sept. 2006, Bucharest, Romania.

2.      I. Contineanu, A. Neacsu, S. Perisanu, ”The enthalpies of formation of hydrated and non hydrated asparagine and glutamine” The 11th Conference on Physical Chemistry, Sept. 23-25, 2006, Bucharest, Romania.

3.      M. Contineanu, I. Contineanu, L. Chivu, S. Perisanu, “A DSC study of irradiated isomers of aspartic acid” The 11th Conference on Physical Chemistry, Sept. 23-25, 2006, Bucharest, Romania.

4.      M.Contineanu, I. Contineanu, S. Perisanu, A. Neacsu, “EPR and DSC investigation of the effect of gamma rays on the isomers of aspartic acid”, Romanian International Conference on Chemistry and Chemical Engineering, RICCCE XIV, 22-24 September, 2005.

5.      I. Contineanu, S. Perisanu, L. Chivu, "The enthalpies of combustion and formation of 2-ceto-glutaric, L-a-glutamic and 6-aminohexanoic acids", 14th Symposium of the Thermic and Calorimetry, Romanian Academy, 17 February 2005, Bucharest.

6.      Iulia Contineanu, Loredana Chivu,"The enthalpies of combustion and formation of L-glutamicand 6-amino-hexanoic acids",3rd International Conference of the South-eastern European Countries, 22-25 September 2002 Bucharest Romania.

7.      Dana Constantinescu, Dan Geana, Cristian Telea, "Exces enthalpies of some binary liquid mixtures at 298 K. Application of a calculation model based on an equation of state", The 10th Conference on Physical Chemistry, Sept. 26-29, 2000, Iassy, Romania.

8.      Iulia Contineanu, Simona Predescu, "The enthalpies of combustion and formation of N-benzoyl-alanine and 4-amino-hippuric acid", The 10th Conference on Physical Chemistry, 26-29 Sept., 2000, Iassy, Romania.

9.      O. Chilom, Gabriela Chilom, C. Telea, T. Visan, "The application of isothermal titration calorimetry to thermodynamic studies of biomolecular interactions" The 10th Conference on Physical Chemistry, 26-29 Sept., 2000, Iassy, Romania.

10.  O. Chilom, Gabriela Chilom, C. Telea, "Calorimetric study of the sorption of water vapour by bovine serum albumin and some of its amino acids" The 9th Conf. on Physical Chemistry, 23-25 Sept., 1998, Galati, Romania.

11.  M. Freamat, C. Telea, "Inhibition of catalase by glutathione – a microcalorimetric investigation", The 9th Conference on Physical Chemistry, 23-25 Sept., 1998, Galati, Romania.

12.  Dana Constantinescu, Dan Geana, C. Telea,"Heat capacity of some amino acids by DSC", The 9th Conference on Physical Chemistry, 23-25 Sept., 1998, Galati, Romania.

13.  Iulia Contineanu, D.I. Marchidan, "The enthalpies of combustion and formation of some aliphatic amino acids", The 9th Conference on Physical Chemistry, 23-25 Sept., 1998, Galati, Romania.