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"Bromate deoxidizer for aluminum"



 

I am the Q.C. and Environmental Manager for a small anodizing and plating job shop. Years ago we went away from chromated de-oxidizers and have been using an iron based deoxider ever since. Sometimes we even mix it up ourselves using raw chemicals instead of a proprietary product. I read an article recently that mentioned sodium bromate as a deoxidizer for aluminum but it did not elaborate on concentration or any other ingredients. Does anyone have a recipre that we might try?

Guy Lester
plating co. - Ontario, California, USA
^


 

Would you give us the reference for that article, name, publication, issue?

Thanks,

tom pullizzi animated    tomPullizziSignature
Tom Pullizzi
Falls Township, Pennsylvania
^


 

If I'm not mistaken ( I seem to have misplaced the issue) the bromate deoxidizer was referred to in the December 2001 issue of Metal Finishing in the article "An Overview of Non-hexavalent Chromium Conversion Coatings - Part 1, Aluminum & Its Alloys"

Guy Lester
plating co. - Ontario, California, USA
^


 

Did not see article but was the use of peroxy oxidizers suggested.

Geoffrey Whitelaw
Geoffrey Whitelaw
- Port Melbourne, Australia
^

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