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Old 4th January 2020, 04:14 AM   #10
ariel
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Join Date: Dec 2004
Location: Ann Arbor, MI
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Lee is 100% correct.
My” quick and dirty” approach can be used ONLY if the non-destructive one is not feasible , but the itch to know the composition of the metal is overwhelming.
As I mentioned before , this is not something I would do to my items. But chemistry has it charms:-)
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