FIELD: metallurgy.
SUBSTANCE: composition consists of one or more ortho-hydroxy-aryl-aldoxymes and/or one or more ortho-hydroxy-aryl-ketoxymes. Also it additionally contains one or more modifiers of selectivity consisting of phosphine and/or phosphonic acids, their salts and complex ethers and one or more modifiers of equilibrium. Molar ratio of modifier of selectivity to ortho-hydroxy-aryl-aldoxime is approximately from 0.001 to 0.05.
EFFECT: ensuring controlled, correspondingly desired coefficients of metal distribution.
21 cl, 10 tbl, 10 ex
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