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Seventy organic compounds including various organophosphorus esters,amines and oxygen-based ligands were investigatedas extractants.The experiment results show that amines are excellent extractants for W and Mo.Their sequence of extraction abil-ity for W is as follows:quarternary amine>tertiary amine>secondary amine>primary amine.Acidic organophosphorusextractants do not extract W,but can extract Mo with high extraction ability from the acidic solution.So they will provide a po-tential process for separating W from Mo.
Seventy organic compounds including various organophosphorus esters, amines and oxygen-based ligands were investigated as extractants. The experiment results show that amines are excellent extractants for W and Mo. The sequence of extracts of abil-ity for W is as follows: quarternary amine> tertiary amine > secondary amine> primary amine. Acidic organophosphorusextractants do not extract W, but can extract extractable with high extraction ability from the acidic solution. So they will provide a po-tential process for separating W from Mo.