Russian Journal of Coordination Chemistry
Volume 33, Number 6, 400-402, DOI: 10.1134/S1070328407060036

Composition and stability of lead(II) compounds with N-(carboxymethyl)aspartic and N,N-bis(carboxymethyl)aspartic acids in aqueous solutions

A. I. Lytkin, N. V. Chernyavskaya and V. M. Nikol’skii

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Abstract

The reactions of N-(carboxymethyl)aspartic (H3Y) and N,N-bis(carboxymethyl)aspartic (H4X) acids with Pb2+ ions were studied by potentiometric titration at 298.15 K and I = 0.2, 0.5, and 1.0 (KNO3). The formation of complex species PbY−, PbHX−, and PbX2− was found and their stability constants were calculated.
Original Russian Text © A.I. Lytkin, N.V. Chernyavskaya, V.M. Nikol’skii, 2007, published in Koordinatsionnaya Khimiya, 2007, Vol. 33, No. 6, pp. 411–413.

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