Role of activators such a sodium silicofluoride and sulfuric acid in bright chrome electroplating was investigated using technical grade chromic acid, CrO3, containing 0.15% sulfate, maximum. It was found that beth comprising CrO3 300-350 Na2SiF6 2-3 g/L, H2SO4 1-2 ml/L at temperature 30-35 C and current density 8-10 A/dm2 can be recommended as a self one for bright chrome plating.
A KHAN ,I SADIQ ,INAM UL HAQUE ,
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