Abstract
Paper electrophoresis is used for the study of equilibria in binary complex systems in solution. The stability constants of ML and ML2 complex species of some metal ions copper(II), manganese(II) and uranyl(II) with a-aminobutenoic acid and hydroxyproline were determined at an ionic strength of 0.1 M and 35 ºC. The stability constants of ML and ML2 complex species of metal(II)-a-aminobutenoic acid and metal(II)– hydroxyproline were found to be [(7.70 ± 0.03, 6.38 ± 0.11), (3.19 ± 0.02, 2.07 ± 0.09), (7.32 ± 0.05, 5.49 ± 0.12)] and [(8.23 ± 0.05, 7.05 ± 0.03), (3.74 ± 0.06, 3.15 ± 0.09), (7.39 ± 0.11, 6.67 ± 0.02)] for copper(II), manganese(II) and uranyl(II) complexes, respectively.
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