FIELD: metallurgy.
SUBSTANCE: group of inventions concerns composition and method for metal extraction from solution. Composition contains one or more orthohydroxiarilaldoximes and one or more orthohydroxiarilketoximes, and also one or more equilibrium modifier in quantity providing modification extent of presented orthohydroxiarilaldoximes from preliminary 0.2 till 0.61. Equilibrium modifiers correspond alkylphenols, alcohols, esters, alkyl oxides and polyether, carbonate, ketones, nitriles, amides, carbamates, sulfoxides, or amine salts and quaternary ammonium compound. At that one or more equilibrium modifier are chosen from group 2,2,4-trimethyl-1,3-pentanediolmonoisobutyrate, 2,2,4- trimethyl-1,3-pentanedioldibenzoate, dibutyladipate, dipenthyladipate, dyhexyladipate, isobutylheptylketone, nonanon, 2,6,8-trimethyl -4-nonanon, diundecylketone, 5,8-diethyldodecane-6,7-dion, tridecanol and nonyl phenol.
EFFECT: increasing of metals extraction ratio.
11 cl
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