Nickel chloride, Boric acid and Ammonium sulphate

Boric acid, Nickel sulphate and Ammonium chloride

Dilute sulphuric acid, Hydro chloric acid and Boric acid

Nickel sulphate, Sulphuric acid and Hydrochloride

2.5 to 3.0

3.2 to 4.2

3.6 to 4.2

4.5 to 5.0

Silver

Carbon

Nichrome

Chromium

Imperfect adhesion

Rough and dark deposit

Black (or) dark plating

Pitting of deposit

Zinc base alloys

Copper base alloys

Chromium base alloys

Silver base alloys