|
Cobaltous sulfate |
Molecular formula:CoSO4.7H2O
Molecular weight:281.1
Property:Brown yellow or red crystal,density::1.948g/cm3,melting
point:96.8?,freely
soluble in water and methanol,slightly soluble in ethanol.
Specification:Industry standard HG2631-2005 chemical pure grade
Index
name |
Technical
grade |
chemically
pure
(CP grade) |
Content(Co)% ≥ |
20.0 |
98.5 |
Chlorid (Cl)%≤ |
0.02 |
0.005 |
Nitrogen content (N)% ≤ |
|
0.05 |
Manganese (Mn)% ≤ |
0.02 |
0.02 |
Iron (Fe)% ≤ |
0.005 |
0.005 |
Nickle (Ni)% ≤ |
0.1 |
0.1 |
Copper(Cu)% ≤ |
0.005 |
0.005 |
Zinc (Zn)% ≤ |
0.02 |
0.02 |
Calcium (Ca)% ≤ |
|
0.025 |
Sodium (Na)% ≤ |
|
0.05 |
Lead (Pb)% ≤ |
0.002 |
|
Arsenic (As)% ≤ |
0.001 |
|
Insoluble substance in water % ≤ |
0.01 |
0.01 |
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 material for cobalt salt. Besides, it is also
used as plating, catalyzer, feed additive and analytical reagent
etc..
Packing:25kg bag or pail. |
|