Metal finishing Q&As since 1989
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Neutralizing ferric chloride
2002
I've been using ferric chloride [on eBay or Amazon] to etch Copper. Then I put the copper in a furnace to anneal it and an awful odor is produced when it is taken out. What could this be, how do I get rid of it, and is it harmful? My first thought is to put in a base solution to neutralize the acid.
Thanks for any help,
John Deer- Windham, Vermont
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