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Copper Concentrate Price Calculation Formula

20111123the price of the raw materials shall be the sum of the values of the payable metals less the sum of the deductionshe refining charge for payable copper shall be 4usc per pound of payable copperxample for a concentrate with a copper content of 24 the payable copper value is 24 1 unit 233 x 226 x 4usclb 22usddmt.