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Reverse alloy

Start from the target purity and calculate how much fine metal AND master alloy to mix.

Reverse Alloy Calculator

Determine the amounts of pure metal and alloy from the target weight and purity.

Fine Gold (999.9‰)

75.00 g

+

Master Alloy (Cu/Ag)

25.00 g

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Melting temperatures of alloys

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Prices shown are indicative (LBMA mid-market). They do not constitute investment advice.