Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Sulfamic acid
For our nickel plating bath in our PCB shop, we adjust the bath pH with sulfamic acid. Is there any particular reason why we cannot use sulfuric acid (or any other acid) to achieve this? Thanks.
Bob smith1998
The bath would build up in chlorides if you used hydrochloric acid, which would affect the characteristics of the plate. I would not add sulphates to this bath either, since it is an unnecessary ion, and will make the bath an ever increasing mixture of sulphate in sulfamate, something not worth studying.
Tom Pullizzi
Falls Township, Pennsylvania
I have a question concerning reacting sulfamic acid ⇦ this on eBay or Amazon [affil links] and urea. Is there another catalyst that can be used to create a reaction other than urea in a lauryl alcohol state?
Cameron Whaley1999
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