Thermodynamic characteristics of the complexation between Pb2+ and N,N-Bis(carboxymethyl)aspartic acid in aqueous solution |
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| Authors: | A. I. Lytkin N. V. Chernyavskaya V. E. Litvinenko |
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| Affiliation: | 1.Ivanovo State University of Chemical Technology,Ivanovo,Russia;2.Kostroma State University,Kostroma,Russia |
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| Abstract: | The enthalpies of complexation between N,N-bis(carboxymethyl)aspartic acid (H4Y) and the Pb2+ ion at 298.15 K were determined from calorimetric data for a wide range of the ionic strengths (KNO3). The thermodynamic characteristics ΔH, ΔG, and ΔS, of formation of the complexes PbHY− and PbY2− were calculated for zero and fixed ionic strengths. The results obtained were interpreted. |
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