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 The News of Altai State University
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3(25)2002
Chemistry

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O.N. Loginova, S.V. Polyanskaya

The influence of ionic strength for the constant of stability plumbum (II) monothiocarbamide complex

In the paper the equilibrium of monothiocarbamide complex of plumbum (II) in water system was studied by spectrophotometrical method, on condition ionic strengths are constant and equal to: 0,5 M; 1,0 M; 2,0 M - created separately by the solutions of NaClO4 and Mg(ClO4)2. The stability constants are equal to: lg 5,02 ± 0,12; lg 5,04 ± 0,10; lg 5,07 ± 0,16 for the NaClO4, and lg 4,83 ± 0,11; lg 4,84 ± 0,12; lg 4,87 ± 0,14 for background salt Mg(ClO4)2 by 298 K.

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