24th July 2014, 10:07 PM | #4 |
Member
Join Date: Aug 2007
Location: Germany, Dortmund
Posts: 8,571
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I think that you can't say it for global. When rust is under the gold migrated I never would soak a blade in citic acid but when the gold is firmley attached nothing will happen, this is the experience I have had with blades I have cleaned with citric acid.
Regards, Detlef |
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