Production of Complex Hydrosulphates in the K3H(SO4)2–Rb3H(SO4)2 Series: Part I


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Abstract

The phase equilibria in the K3H(SO4)2–Rb3H(SO4)2–H2O cross section have been investigated under isothermal conditions at 25°C. The concentration limits of crystallization of solid solutions with the general formulas (Rb1 – xKx)3H(SO4)2 and (Rb1 – xKx)2SO4 are determined. The dependences of the equilibria of saturated solution on the initial production conditions are revealed. The growth conditions for large single crystals of complex acid rubidium–potassium sulfates are determined.

About the authors

V. A. Komornikov

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”
Russian Academy of Sciences

Author for correspondence.
Email: v.a.kom@mail.ru
Russian Federation, Moscow, 119333

V. V. Grebenev

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”
Russian Academy of Sciences

Email: v.a.kom@mail.ru
Russian Federation, Moscow, 119333

I. S. Timakov

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”
Russian Academy of Sciences

Email: v.a.kom@mail.ru
Russian Federation, Moscow, 119333

D. A. Ksenofontov

Moscow State University

Email: v.a.kom@mail.ru
Russian Federation, Moscow

P. V. Andreev

Lobachevsky State University of Nizhny Novgorod

Email: v.a.kom@mail.ru
Russian Federation, Nizhny Novgorod, 603950

I. P. Makarova

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”
Russian Academy of Sciences

Email: v.a.kom@mail.ru
Russian Federation, Moscow, 119333

E. V. Selezneva

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”
Russian Academy of Sciences

Email: v.a.kom@mail.ru
Russian Federation, Moscow, 119333

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