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 |
Sspecification |
|
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 % |
Uses: Nickel sulphate is used in the laboratory. Columns used in polyhistidine-tagging, useful in biochemistry and molecular biology, are regenerated with nickel sulphate and also used in Nickel plating, as mordant in dyeing and printing fabrics, blackening zinc and brass.