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


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