Nickel Sulphate Hexahydrate 99.9%
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NICKEL SULPHATE HEXAHYDRATE 99.9%
Molecular formula: NiSO4 * 6H2O
Emerald-Green Crystalline
Nickel (II) sulfate is highly soluble blue green coloured salt is a common source of the Ni2+ ion for electroplating.
The salt is usually obtained as a by-product of copper refining. It is also produced by dissolution of nickel metal or nickel oxides in sulfuric acid.
Aqueous solutions of nickel sulfate reacts with sodium carbonate to precipitate nickel carbonate, a precursor to nickel-based catalysts and pigments. Addition of ammonium sulfate to concentrated aqueous solutions of nickel sulfate precipitates Ni(NH4)2(SO4)2 * 6H2O.
The compound nickel sulfate hexahydrate, NiSO4 * 6H2O, is employed in the electrolytic refining of nickel as well as in most nickel electroplating baths. Nickel chloride hexahydrate, NiCl2 * 6H2O, is often used in conjunction with the sulfate in plating baths.
USES:
- As an electrolyte for nickel plating and in electrolytic refining,
- In the preparation of galvanic baths,
- In the chemical industry for the production of catalysts for hydrogenation of fats,
- Dyeing mortar,
- Blackening of zinc and brass.
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