Chromium Potassium Sulphate is a crystalline compound consisting of the elements chromium , potassium , sulfur and oxygen , the hydrate additionally hydrogen.
C 2258 (OTTO) Chromium(III) potassium sulphate, 98% Cas 7788-99-0 - used as a starting material in the synthesis of quasi-monodisperse spherical core-shell particles of Cr/α-Cr2O3 to be used as solar absorbers.