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Determining sulphate in aluminum anodize

1996

I am trying to determine the amount of sulphate contained in the anodic coating when anodizing aluminum in 12% sulfuric acid. Is sulfuric acid consumed in any other way in the anodizing solution?

I can not find any literature that will address this issue.

Thank you

Art Sanders

"The Surface
Treatment &
Finishing of
Aluminium and
Its Alloys"
by Wernick, Pinner
& Sheasby
pinner

on Amazon or eBay
or AbeBooks
(affil link)

See our book section for some basic references on anodizing ~~and/or zip over to Anodizer's Plaza, a web site in Japan, written in English, and available under our WWW links~~. See my response to your topic #287 for two references.

The Canning Handbook [on eBay, Amazon, AbeBooks affil links] is another, the Garden State Electroplating Manual is another.

Tom Pullizzi
Falls Township, Pennsylvania

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