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A calorimetric and thermodynamic investigation of the synthetic analogs of cobaltomenite, CoSeO3·2H2O, and ahlfeldite, NiSeO3·2H2O. / Charykova, M.V.; Krivovichev, V.G.; Lelet, M.I.; Yakovenko, O.S.; Suleimanov, E.V.; Depmeier, W.; Semenova, V.V.; Zorina, M.L.

In: American Mineralogist, Vol. 99, No. 4, 2014, p. 742-748.

Research output: Contribution to journalArticle

Harvard

Charykova, MV, Krivovichev, VG, Lelet, MI, Yakovenko, OS, Suleimanov, EV, Depmeier, W, Semenova, VV & Zorina, ML 2014, 'A calorimetric and thermodynamic investigation of the synthetic analogs of cobaltomenite, CoSeO3·2H2O, and ahlfeldite, NiSeO3·2H2O', American Mineralogist, vol. 99, no. 4, pp. 742-748. https://doi.org/10.2138/am.2014.4588

APA

Charykova, M. V., Krivovichev, V. G., Lelet, M. I., Yakovenko, O. S., Suleimanov, E. V., Depmeier, W., Semenova, V. V., & Zorina, M. L. (2014). A calorimetric and thermodynamic investigation of the synthetic analogs of cobaltomenite, CoSeO3·2H2O, and ahlfeldite, NiSeO3·2H2O. American Mineralogist, 99(4), 742-748. https://doi.org/10.2138/am.2014.4588

Vancouver

Author

Charykova, M.V. ; Krivovichev, V.G. ; Lelet, M.I. ; Yakovenko, O.S. ; Suleimanov, E.V. ; Depmeier, W. ; Semenova, V.V. ; Zorina, M.L. / A calorimetric and thermodynamic investigation of the synthetic analogs of cobaltomenite, CoSeO3·2H2O, and ahlfeldite, NiSeO3·2H2O. In: American Mineralogist. 2014 ; Vol. 99, No. 4. pp. 742-748.

BibTeX

@article{c491fe359f954e6ebada0a00c0ca8914,
title = "A calorimetric and thermodynamic investigation of the synthetic analogs of cobaltomenite, CoSeO3·2H2O, and ahlfeldite, NiSeO3·2H2O",
abstract = "Thermophysical and thermochemical calorimetric investigations were carried out on synthetic analogs of two minerals: cobaltomenite (CoSeO 3·2H2O) and ahlfeldite (NiSeO3· 2H2O). The synthesis was realized by mixing of aqueous solutions of cobalt and nickel nitrates, accordingly, and sodium selenite, acidified with the help of a solution of nitric acid and characterized by X-ray powder diffraction and FTIR spectroscopy methods. The low-temperature heat capacities of CoSeO3·2H2O and NiSeO3·2H 2O were measured using adiabatic calorimetry between 8 and 340 K, and the third-law entropies were determined. Values of S° (298 K, CoSeO 3·2H2O, cr.) = 183.2 ± 1.0 J/(mol·K) and S° (298 K, NiSeO3·2H2O, cr.) = 172.9 ± 1.0 J/(mol·K) are obtained with an uncertainty of 0.5%. The enthalpies of formation for CoSeO3·2H2O and NiSeO3·2H2O were determined by solution calorimetry with H2SO4 solution as the solvent and giving ΔfH° (298 K, CoSeO3·2H2O, cr.) = -1135.3 kJ/mol, ΔfH° (298 K, NiSeO3· 2H2O, cr.) = -1133.3 kJ/mol. The Gibbs",
author = "M.V. Charykova and V.G. Krivovichev and M.I. Lelet and O.S. Yakovenko and E.V. Suleimanov and W. Depmeier and V.V. Semenova and M.L. Zorina",
year = "2014",
doi = "10.2138/am.2014.4588",
language = "English",
volume = "99",
pages = "742--748",
journal = "American Mineralogist",
issn = "0003-004X",
publisher = "Mineralogical Society of America",
number = "4",

}

RIS

TY - JOUR

T1 - A calorimetric and thermodynamic investigation of the synthetic analogs of cobaltomenite, CoSeO3·2H2O, and ahlfeldite, NiSeO3·2H2O

AU - Charykova, M.V.

AU - Krivovichev, V.G.

AU - Lelet, M.I.

AU - Yakovenko, O.S.

AU - Suleimanov, E.V.

AU - Depmeier, W.

AU - Semenova, V.V.

AU - Zorina, M.L.

PY - 2014

Y1 - 2014

N2 - Thermophysical and thermochemical calorimetric investigations were carried out on synthetic analogs of two minerals: cobaltomenite (CoSeO 3·2H2O) and ahlfeldite (NiSeO3· 2H2O). The synthesis was realized by mixing of aqueous solutions of cobalt and nickel nitrates, accordingly, and sodium selenite, acidified with the help of a solution of nitric acid and characterized by X-ray powder diffraction and FTIR spectroscopy methods. The low-temperature heat capacities of CoSeO3·2H2O and NiSeO3·2H 2O were measured using adiabatic calorimetry between 8 and 340 K, and the third-law entropies were determined. Values of S° (298 K, CoSeO 3·2H2O, cr.) = 183.2 ± 1.0 J/(mol·K) and S° (298 K, NiSeO3·2H2O, cr.) = 172.9 ± 1.0 J/(mol·K) are obtained with an uncertainty of 0.5%. The enthalpies of formation for CoSeO3·2H2O and NiSeO3·2H2O were determined by solution calorimetry with H2SO4 solution as the solvent and giving ΔfH° (298 K, CoSeO3·2H2O, cr.) = -1135.3 kJ/mol, ΔfH° (298 K, NiSeO3· 2H2O, cr.) = -1133.3 kJ/mol. The Gibbs

AB - Thermophysical and thermochemical calorimetric investigations were carried out on synthetic analogs of two minerals: cobaltomenite (CoSeO 3·2H2O) and ahlfeldite (NiSeO3· 2H2O). The synthesis was realized by mixing of aqueous solutions of cobalt and nickel nitrates, accordingly, and sodium selenite, acidified with the help of a solution of nitric acid and characterized by X-ray powder diffraction and FTIR spectroscopy methods. The low-temperature heat capacities of CoSeO3·2H2O and NiSeO3·2H 2O were measured using adiabatic calorimetry between 8 and 340 K, and the third-law entropies were determined. Values of S° (298 K, CoSeO 3·2H2O, cr.) = 183.2 ± 1.0 J/(mol·K) and S° (298 K, NiSeO3·2H2O, cr.) = 172.9 ± 1.0 J/(mol·K) are obtained with an uncertainty of 0.5%. The enthalpies of formation for CoSeO3·2H2O and NiSeO3·2H2O were determined by solution calorimetry with H2SO4 solution as the solvent and giving ΔfH° (298 K, CoSeO3·2H2O, cr.) = -1135.3 kJ/mol, ΔfH° (298 K, NiSeO3· 2H2O, cr.) = -1133.3 kJ/mol. The Gibbs

U2 - 10.2138/am.2014.4588

DO - 10.2138/am.2014.4588

M3 - Article

VL - 99

SP - 742

EP - 748

JO - American Mineralogist

JF - American Mineralogist

SN - 0003-004X

IS - 4

ER -

ID: 7062764