Natalia V Plyasunova

Department of Geological Sciences
Arizona State University
Tempe AZ 85287 USA
Phone: (480) 965-9436, Fax: (480) 965-8102
E-Mail: Natalia.Plyasunova@asu.edu


EDUCATION

  • MS. Geochemistry, Moscow State University, Moscow, USSR, 1986

  • Ph. D. Geochemistry, Vernadsky Institute of Geochemistry and Analytical Chemistry, Academy of Sciences of the USSR, Moscow, USSR, 1993


SPECIAL EXPERTISE

  • Database development

    SQL Server, MS Access - design and implementation of research specific databases.

  • Computer programming

    Programming languages: Java, C/C++ (including MS Visual C++), Fortran, Visual Basic;
    Internet related technologies: Java Server Pages (JSP), ASP, DHTML, XML, JavaScript, VBScript;


PROFESSIONAL EXPERIENCE

  • Accosiate research scientist,
    Dept. Geopogical Sciences, Arizona State University, Tempe AZ (2002-present)

    Development of databases, application and web programming. Compilation and critical evaluation of thermodynamic properties of organic compounds.

  • Researcher,
    Institute of Experimental Mineralogy of Russian Academy of Sciences, Chernogolovka, Moscow District, 142432, Russia (1995-1996);

  • Visiting Researcher (group of Prof. I. Grenthe),
    Dept. of Inorganic Chemistry, Royal Institute of Technology, Stockholm, Sweden (1992-1995)

    Evaluation of the thermodynamics of complex formation equilibria, the standard thermodynamic properties of the solid phases and aqueous species in the systems composed by transition metals (Cu(II), Ni(II), Co(II, III), Cr(III) and aqueous inorganic anions (Cl-, NO-3 , SO2-4 , Br-) using the specific interaction theory approach for activity coefficients of the aqueous complexes.

  • Graduate student, junior researcher, researcher
    Institute of Experimental Mineralogy of Russian Academy of Sciences, Chernogolovka, Moscow District, 142432, Russia (1983-1992)

    Experimental study of mineral oxygen buffer assemblages pyrite-magnetite-hematite and pyrite-magnetite-pyrrhotite, evaluation of the equilibrium constants of the buffering reactions in water at 350-500oC, 1 kb. Experimental study of fluid phase equilibria at high temperatures and pressures by the method of synthetic fluid inclusions in quartz; evaluation of the boundaries of immiscibility in the systems H2O-CO22-NaCl and H2O-CO2-CaCl2 at up to 700oC, 5 kbars, calculation of molar volumes of the fluid mixtures over the T, P range. Experimental study of molecular hydrogen diffusion through quartz using synthetic fluid inclusions, evaluation of the rate of diffusion.





PUBLICATIONS:

Plyasunova N.V., Zhang Yu, Muhammed M. (1998)     pdf file
Critical evaluation of thermodynamics of complex formation of metal ions in aqueous solutions. V. Hydrolysis and hydroxo-complexes of Co2+ at 298.15 K. Hydrometalurgy 48, N2, p.153.

Plyasunova N.V., Zhang Yu, Muhammed M. (1998)      pdf file
Critical evaluation of thermodynamics of complex formation of metal ions in aqueous solutions. IV. Hydrolysis and hydroxo-complexes of Ni2+ at 298.15 K. Hydrometalurgy, 48, N2, p.57.

Plyasunova N.V., Wang M., Muhammed M. (1997)      pdf file
Critical evaluation of thermodynamics of complex formation of metal ions in aqueous solutions. II. Hydrolysis and hydroxo-complexes of Cu 2+ at 298.15K. Hydrometalurgy, 45, N1/2, p.37.

Smulovich K.I., Plyasunova N.V., Tkachenko S.I. (1996)
Phase relations in fluid-salt systems. In: Experiment in geosciences, vol 6, N1.

Shmulovich K.I., Tkachenko S.I., Plyasunova N.V. (1995)
Phase equilibria in fluid systems at high pressures and temperatures. In: Fluid in the Crust, Chapman & Hall, p.193.

Plyasunova N.V., Shmulovich K.I. (1993) Phase equilibria in ternary systems formed by H2O and CO2 with CaCl2 high T and P. Geochemistry International, 30, N12, P.53.

Plyasunov A.V., Plyasunova N.V.(1993)      pdf file
Study of zinc oxide solubility in KOH+NaCl solutions at 400-500oC and pressures 0.5-2.0 kbar. Doklady Akademii Nauk, 329, 228-231 (in Russian).

Plyasunov A.V., Plyasunova N.V. (1993)      pdf file
Study of zinc oxide solubility in KOH solutions at 400-500o C and pressures 0.5-2.0 kbar. Doklady Akademii Nauk, 328, 605-608 (in Russian).

Plyasunova N.V., Shmulovich K.I. (1991)
Phase equilibria in the system H2O-CO2-CaCl2 at 500oC. Transactions of the USSR Academy of Science, 320, 7, 221-225.

Plyasunova N.V., Ivanov I.P. (1991)
The concentration of sulfur in solutions in equilibrium with the pyrite-magnetite-hematite and pyrite-magnetite-pyrrhotite buffer assemblages at 350-500oC and 1 kbar. Geochemistry International, 28, N8, p.52.


PAPERS PRESENTED AT CONFERENCES:

Plyasunov A.V., Plyasunova N.V., Shock E.L. (2003)
Group contribution values at 298.15 K and 0.1 MPa for thermodynamic functions of hydration of ethers and esters. 15th Symposium on Thermophysical Properties, Boulder, CO USA, June 22-27, 2003.

Plyasunova N.V., Plyasunov A.V., Shock E.L. (2003)
Database of properties for aqueous organic compounds. 15th Symposium on Thermophysical Properties, Boulder, CO USA, June 22-27, 2003.

Plyasunova N.V., K.I.Shmulovich. (1993)
Immiscibility in the ternary fluid systems H2O-CO2-CaCl2 and H2O-CO2-NaCl at high temperatures and pressures. Abstracts of the XII Symposium "European current research on fluid inclusions". Archiwum Mineralogiczne, vol 49, N1, p.170.

Plyasunova N.V., Dubessy J., Bezmen N.I., Pironon J., Poty B. (1993)
Diffusion of molecular hydrogen through quartz: re-equilibration of fluid inclusions, geochemical consequences. Abstracts of the XII Symposium "European current research on fluid inclusions". Archiwum Mineralogiczne, vol 49, N1, p.170.

Tkachenko S.I., Plyasunova N.V., Shmulovich K.I. (1992)
Phase equilibria in water-salt(NaCl-KCl, CaCl2) - gas systems at 400-700oC. IV International Symposium on Experimental Mineralogy, Petrology and Geochemistry. Clermont-Ferrand, France, 1992, p.154.

Plyasunova N.V., Shmulovich K.I. (1991)
Phase equilibria in the system H2O-CO2-CaCl2 at 500o C, 5 kbars. ECROFI IX proceedings, Florence, Italy, 1991, in: Plinius, N5, p.179.