Short Communication Cathodic Efficiency of Industrial Chromium Plating

Authors

  • Inam-ul- Haque Department of Chemistry, University of Engineering and Technology, Lahore-54890, Pakistan
  • Asim Khan Department of Chemistry, University of Engineering and Technology, Lahore-54890, Pakistan
  • Abdul Rasheed Department of Chemistry, University of Engineering and Technology, Lahore-54890, Pakistan

Keywords:

chrome plating, copper coulometer, sodium silicoflouride, cathode efficiency

Abstract

 Current efficiency of hard chrome plating bath was studied. Experiments were carried out using industrial grade chromic acid. The best results were obtained from the chrome plating bath comprising chromic acid 300-350 g/l, sodium silicofluoride 5-6 g/l, CrO3/H2SO4 ratio of 125 : 1, at current density 12 A/dm  and temperature 30-35 °C. The

current efficiency of the bath was   32%.

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Published

2006-06-26

How to Cite

Haque, I.- ul-., Khan, A., & Rasheed, A. (2006). Short Communication Cathodic Efficiency of Industrial Chromium Plating. Biological Sciences - PJSIR, 49(3), 222–224. Retrieved from https://v2.pjsir.org/index.php/biological-sciences/article/view/1164

Issue

Vol. 49 No. 3 (2006): Pakistan Journal of Scientific and Industrial Research

Section

Articles

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