Aloha, fun & authoritative answers -- no cost, no registration, no passwords, no popups
(as an eBay Partner & Amazon Affiliate we earn from qualifying purchases)

Where the
world gathers for metal finishing
Q&As since 1989

-----

Wrong acid in Ni strike

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
2004

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: