Abstract
Formation of complexes of Co2+ with triethylenediamine (CH2-CH2)3N2 (Q) in aqueous solution and coprecipitation of microamounts of 60Co with triethylenediamine complexes of Cu2+, Ni2+, and Zn2+ nitrates were studied. Microamounts of 60Co poorly coprecipitate with triethylenediamine complexes of Cu2+ and Zn2+ nitrates. At practically 100% precipitation of Cu2+ and Zn2+ from solutions in the form of the corresponding complexes, the degree of coprecipitation of 60Co with these complexes does not exceed 15%. With the Ni2+ complexes formed from 10−1 M aqueous solutions at the molar ratios Ni2+: Q = 1 : 1 and 1 : 2, the degree of coprecipitation of 60Co is about 45 and 90%, respectively.
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