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topic 29090

Wrong acid in Ni strike



2004

I have a customer who accidentally added one gallon of conc. sulfuric acid to a 115 gallon nickel strike bath ( approx. 80 oz/gal as nickel chloride, 400 mL/gal HCl ). What should they be concerned with?

Thank you,

Jane Hall
Independent Lab - Baltimore, Maryland, USA


2004

I don't have a personal experience with this but I noticed a very low HCl concentration in your customer's bath. It should be around 25% by volume and you just have 400mL/gal. That's only about 10%. I think they should add HCl and make some tests to see the effects.

Guillermo Marrufo
Monterrey, NL, Mexico


2004

They can build up the Sulfuric acid on the same way like in a Chrome bath, using BaCO3; and filtering it out.

Franz R. Wagner
- Pomerode SC Brazil

none
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