Metal finishing Q&As since 1989
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Is there an alternative to Ferroxyl test?
Please, could you suggest an alternative test to ferroxyl for finding iron contamination on ss. AISI 304 and 316L.
ANDREA FILIPPI2006
astmb633.htmla380.html" --> also mentions the copper sulphate [on eBay or Amazon]test. I've always heard the ferroxyl test is prone to false positives (incorrectly indicating free iron). But, some say the copper sulphate isn't as accurate as the ferroxyl test.
Todd Turner2006
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