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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Rhodium plating accounting

When I do rhodium plating, how should I know how much metal I am putting on?

Antonio Panariello
- Miami, Florida
2006

Faraday's Law of Electrolysis will tell you the relationship between ampere-seconds and the mass deposited, Antonio. There is a chart in the Metal Finishing Guidebook where, for simplicity, the various constants like density have been "worked through" so you can directly translate ampere-minutes to thickness with a minimum of arithmetic.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2006

Another method is to simply weigh the item before and after plating.

Neil Bell
Red Sky Plating

Albuquerque, New Mexico

2006

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