钴的硫酸

Molecular formula:CoSO4.7H2O Molecular weight: 281.1 Property:Brown yellow or red crystal; density: 1.948g/cm3; totally soluble in water and methanol, slightly soluble in ethanol.Index nameTechnical gradeChemically pure(CP grade)Content(Co)% ≥20.020.5Chlorid (Cl)%≤0.0050.005Nitrogen content (N)% ≤0.050.05Manganese (Mn)% ≤0.020.02Iron (Fe)% ≤0.050.005Nickel (Ni)% ≤0.0080.008Copper(Cu)% ≤0.0050.005Zinc (Zn)% ≤0.020.02Calcium (Ca)% ≤--0.025Sodium (Na)% ≤--0.05Lead (Pb)% ≤--0.002Arsenic (As)% ≤--0.002Insoluble substance in water % ≤0.050.01 Application area: Used as paint drier in coating industry, glaze for painted china in ceramic industry, additives for alkaline battery and lithopone in the battery industry. Also used in producing pigment containing cobalt and cobalt salt products. Besides, used as plating, catalyzer, feed additive and analytical reagent and so on. Package:25kg bag or pail.