| Cobaltous
Sulfate Heptahydrate
English Name: cobaltous sulfate heptahydrate
Molecular Formula: CoSO4.7H2O
Molecular Weight: 281.10
Content: ≥98% Co≥ 20%
Characteristic: The product is a peachblow and monoclinic
crystal; density: 1.948; melting point: 96.80C
(at 4200C, the water in the hydrate will
lose completely). It can dissolve in water (at 30C,
60.4g/100ml of water; at 700C, 67g/100ml
of water) and methanol. It cannot dissolve in ammonium,
and it dissolves in ethanol lightly.
Packaging: The product is packed with cardboard barrel
with plastic lining bag, or intertexture bag with plastic
lining bag. The net weight of each barrel of product
is 25kg.
Product Index
|
Item |
Feed
Grade Standard |
| Appearance |
peachblow
crystal |
| Content(by
Co)%≥ |
20 |
| Content
of water insoluble %≤ |
0.02 |
| Arsenic
(As) content %≤ |
0.0005 |
| Lead
(Pb) content %≤ |
0.001 |
| Cadmium
(Cd) content %≤ |
0.001 |
|
Item |
Technical
Grade Standard |
| Appearance |
red
or aubergine crystal |
| Content(by
Co)%≥ |
20 |
| Content
of water insoluble %≤ |
0.02 |
| Chloride(C1)content
%≤ |
0.05 |
| Nitrate
(NO3) content %≤ |
0.05 |
| Manganese
(Mn) content %≤ |
0.05 |
| Iron
(Fe) content %≤ |
0.002 |
| Nickel
(Ni) content %≤ |
0.1 |
| Zinc
(Zn) content %≤ |
0.05 |
| Heavy
metal (Cu) content %≤ |
0.005 |
|