... OR LIGHT PINK CRYSTALLE 2.MN:31.8% MIN,MnSO4.H2O:98% min 3.SOLUBLE 4.WIDELY USED NAME :MANGANESE SULPHATE MnSO4Content:mn:31.8% min, pb:15ppm, as ... :5ppmFunction: first,Used for trace analysis reagents, mordant and paint desiccant second, As manganese and manganese salt ...