Recycle gold from old computer parts
Gold recycling from computer scrap. Dissolve gold with Aqua regia.
How much pure gold is inside 18kt gold alloy?
18-kt gold is 18/24 or 75% pure gold.
18kt gold is 75% pure gold, which means that in one piece of gold alloy you have 75% of pure gold inside.
More about purity and fineness ofgold you can read on this link.
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