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Etchant Query?

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Noble Member Apprentice Bladesmith
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Recently when ordering some ferric chloride crystals, I was sent some ammonium persulfate instead. It appears to be a strong oxidizer. Have any of you tried it for etching your Damascus?

https://flic.kr/p/2ieEvwj

 
Posted : 13/01/2020 7:04 pm
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