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 |
|