jobarent Posted February 7, 2010 Posted February 7, 2010 After truning yellow gold darkbrown/black with lye, will the gold ever return to it's original color?:
John Cuthber Posted February 7, 2010 Posted February 7, 2010 If lye made it change colour then it wasn't gold (or at least pure gold) in the first place. What are you on about anyway?
dttom Posted February 11, 2010 Posted February 11, 2010 if that's impurities inside undergo some chemical changes, it should not be returned to their original state spontaneously.
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