Thickness of Electroless Nickel Plating. | [Pakistan Journal of Analytical Chemistry • 2004]

Author(s):

1. Inam-Ul-Haque: Department of Chemistry, University of Engineering & Technology, Lahore, Pakistan

2. Saeed Ahmad: Department of Chemistry, University of Engineering & Technology, Lahore, Pakistan

3. Asim Khan: Department of Chemistry, University of Engineering & Technology, Lahore, Pakistan

4. Sheikh Umar Farooq: International Electroplating (Pvt.) Limited, 65-Ravi Road, Lahore, Pakistan

5. Imtiaz Sadiq: Bicycle Division, Pakistan Engineering Company Limited, Kot Lakhpat Works, Lahore, Pakistan

Abstract:

Aqueous acid nickel chloride and alkaline nickel sulfate bath were studied for electroless nickel plating on acrylonitrile-butadiene-styrene (ABS) plastic. Before electroless nickel plating, specimens were etched, sensitized and activated. Effects of sodium hypophosphite and sodium citrate concentrations on the thickness of electroless nickel plating were discussed. Aqueous acid nickel chloride bath comprising, nickel chloride 10 g L-1, sodium hypophosphite 40 g L-1, sodium citrate 40 g L-1 at pH 5.5, temperature 85°C with density of 1 Be in thirty minutes yielded thickest coating. Under comparable conditions, acid nickel chloride bath gave thicker deposits than alkaline nickel sulfate bath.

Page(s): 60-64

DOI: DOI not available

Published: Journal: Pakistan Journal of Analytical Chemistry, Volume: 5, Issue: 2, Year: 2004

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