2028 jewelry wholesale Add borax when burn, what is the principle? Some people say that it is better to use Gaudi powder, but I don't know what Gaudi powder is? What is the chemical component?
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wholesale jewelry in california that's lead nickle and cadmium free Borax cannot purify gold, because when the impure gold melted, there will be a layer of impurities drifting on it. Borax has a catalytic effect.
sterling silver 925 jewelry wholesale Do not suck gold. Gold is an inert metal and is very stable, even if high temperature does not respond to any material.
The impurity reactions in gold will not react with gold, so the borax group does not contain gold.