Nickel sulphate is the primary nickel metal source used in most nickel electroplating baths. It provides the nickel ions required to deposit a smooth, ductile and corrosion-resistant nickel coating on metals such as steel, brass, copper and zinc die-cast.
Chemical Details
Chemical name: Nickel Sulphate Hexahydrate
Formula: NiSO₄·6H₂O
Appearance: Green crystalline solid
Nickel metal content: ~22–23% Ni
Solubility: Highly soluble in water
pH (5% solution): ~4.0 – 5.5