uses for electro-etching sludge?
a friend is forming an object from stainless steel, by electrolytic etching. what good things could i do with the sludge from 304 stainless?
this was steel with about 18% Chromium, 8% nickel, and some other stuff.
the sludge is a mix of red and green gunk, suspended in NaCl electrolyte. i have 250 mL.
http://www.azom.com/article.aspx?ArticleID=965
[Edited on 2013-7-19 by ElectroWin]
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