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Journal of Science and Engineering Papers


ISSN: 3006-3191 (Online)

Science and Engineering for the Comprehensive Futures                                                                                                                                                                                                                             Call for Article

A review on the environment friendly electroplating of Cr (III) & Cr (VI)

Volume: 1
Issue: 1
Views: 795
Review Article
A review on the environment friendly electroplating of Cr (III) & Cr (VI)
Md. Saiful Islam, Md. Jahid Hasan, Promita Poroma, Sraboni Akter
Department of Applied Chemistry and Chemical Engineering, University of Rajshahi, Rajshahi-6205, Bangladesh.
Year: 2024
Page: 30-39

This work is licensed under CC BY-SA 4.0

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Chromium plating process is the most effective way of protecting the base material against a hostile environment or improving the surface properties of the base material. There are several problems with traditional chrome plating. Traditional process uses toxic acid baths and may cause various health conditions. The baths employed contain chromic acid in which the chromium is in the hexavalent state. Hexavalent chromium has been proven to have toxic, mutagenic, and cancerogenic effects for human health. As a result, In Europe, the implementation of the reach initiative will increase fees on companies still using Cr (VI) in 2017 and will require action plans to phase out Cr (VI) in the future. This has left the plating industry in a very delicate position with dark future prospects unless new solutions that are both effective and environmentally friendly are discovered. Superchrome Physical Vapor Deposition coating ahead of looming industry regulatory actions that will drive towards the removal of hazardous hexavalent chromium compounds. These new sputtered chromium coatings do not require a protective paint top coat to pass exterior automotive trim specifications. Visually the chromium coatings match those of electroplated decorative chromium in color and appearance.


PVD; Cr (III); Cr (VI); chrome plating; superchrome PVD coating; sputtered chromium coating

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