Maya2 Posted November 7, 2012 Share Posted November 7, 2012 Hi , im a jewlery manifacturer and need a protassium or sodium cyanide--- not sure which ? to clear impurities of jewlery esspecially old gold . Can you tell me where can i buy it from?? It seems hard to get ? Thank you Link to comment Share on other sites More sharing options...
Enthalpy Posted November 14, 2012 Share Posted November 14, 2012 Did you check how toxic it is? This explains why it isn't very easy to get. Maybe there are better choices to clean gold? Link to comment Share on other sites More sharing options...
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