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Nickel Sulphate
Nickel sulfate, also known as nickel(II) sulfate, is a bright green, crystalline inorganic compound with the chemical formula NiSO₄. It is a highly soluble sulfate salt of nickel, and one of the most commercially important nickel compounds.
Nickel (II) Sulphate, or just nickel sulphate, usually refers to the inorganic compound with the formula NiSO4(H2O)6.
This highly soluble blue-coloured salt is a common source of the Ni2+ ion for electroplating.
Nickel Sulphate occurs as the rare mineral retgersite, which is a hexahydrate.
| Sr. No | Test | Specification |
|---|---|---|
|
1 |
CAS Number:
|
10101-97-0
|
|
2 |
Formula
|
NiSO4 · 6H2O
|
|
3 |
Molecular weight
|
262.85 g/mol
|
|
4 |
Synonym
|
Nickelous Sulphate
|
|
5 |
Appearance (color)
|
Blue-Green to Green
|
|
6 |
Appearance (form)
|
Crystals
|
|
7 |
Solubility
|
In water, methanol
|
|
8 |
Nickel (%)
|
21-22% min
|
|
9 |
Cobalt ( Co)
|
< 0.002 %
|
|
10 |
Calcium (Ca)
|
< 0.005 %
|
|
11 |
Chloride
|
< 0.001 %
|
|
12
|
Iron
|
< 0.001 %
|
|
13
|
Potassium
|
< 0.010 %
|