Synthesis and study of the rubidium uranate Rb4(UO2)8O7(OH)6·H2O

Rubidium uranate Rb4(UO2)8O7(OH)6·H2O was prepared by the reaction of an aqueous solution of uranyl acetate with an aqueous solution of rubidium nitrate under hydrothermal conditions at 200°С. The compound was studied by chemical analysis, X-ray diffraction, IR spectroscopy, and differential thermal analysis. The dehydration and thermal decomposition of the compound were studied.