in water High Pressure; hydrothermal synthesis: RbIO4, I2O5 and ZrOCl2 loaded in autoclave; water added; crystals dispersed in ZrO2 powder; mother liquor decanted; washed with water and methanol; allowed to dry; EDX; XRD;

water in water MoO3 and RbIO4 were loaded in Parr 4749 PTFE-lined autoclave, water was added, the mixt. was heated for 3 d at 180°C; the autoclave was cooled at a rate of 9°C/h to 23°C, the mother liquors were decanted from crystalline products that were subsequently washed with methanol, the colorless plates of RbMoO3(IO3) were sepd. from colorless cubes of RbIO3;