Тип публикации: статья из журнала

Год издания: 2016

Идентификатор DOI: 10.1134/S0036023616110036

Ключевые слова: Erbium, Reaction kinetics, Synthesis (chemical), Temperature, Thermodynamic properties, Effect of temperature, Entropy changes, High temperature, High temperature calorimetry, Reduced Gibbs energies, Solid phase synthesis, Stoichiometric mixtures, Temperature range, Specific heat

Аннотация: Orthovanadate ErVO4 has been prepared by solid-phase synthesis from a stoichiometric mixture of high pure V2O5 and chemically pure Er2O3 by multistage calcination in air in the temperature range 873-1273 K. The effect of temperature (380-1000 K) on the heat capacity of orthovanadate ErVO4 was studied by hightemperature calorimetry.Показать полностьюThermodynamic properties of erbium orthovanadate (enthalpy change HA degrees(T)-HA degrees(380 K), entropy change SA degrees(T)-SA degrees(380 K), and reduced Gibbs energy I broken vertical bar A degrees(T)) have been calculated from the experimental C (p) = f(T) data. It has been shown that the specific heat varies in a row of oxides and orthovanadates of Gd-Lu naturally depending on the radius of the R3+ ion within the third and fourth tetrads.

Журнал: RUSSIAN JOURNAL OF INORGANIC CHEMISTRY

Выпуск журнала: Vol. 61, Is. 11

Номера страниц: 1459-1462

ISSN журнала: 00360236

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

• Denisova L.T. (Institute of Non-Ferrous Metals and Materials Science,Siberian Federal University)
• Chumilina L.G. (Institute of Non-Ferrous Metals and Materials Science,Siberian Federal University)
• Belousova N.V. (Institute of Non-Ferrous Metals and Materials Science,Siberian Federal University)
• Denisov V.M. (Institute of Non-Ferrous Metals and Materials Science,Siberian Federal University)
• Kargin Y.F. (Baikov Institute of Metallurgy and Materials Science,Russian Academy of Sciences)

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