Research Paper | Chemistry | India | Volume 5 Issue 10, October 2016
Equilibrium Studies of Pyrimidine and Aminoacids with Bivalent Toxic Metals: Computational Analysis
Abstract: Interaction of Bivalent Toxic metal ions Pb (II), Cd (II), Hg (II), with 4, 6 Dimethyl2Pyrimidinol in presence of Alanine/Phenylalanine has been investigated pH metrically at 35 C and at three ionic strengths (=0.05M, 0.10M and 0.15M) in aqueous medium. The values of proton dissociation constants of ligands and formation constants of complexes were calculated by algebraic method of Chaberek and Martell as modified by Dey et. al. pH-metric data was subjected to SCOGS computer program. Thermodynamic formation constants were obtained by extrapolating the values to zero ionic strength in log vs. () curve. The stability constants of binary and ternary complexes with respect to metal ion is found to follow the trend Cd (II) < Pb (II) < Hg (II).
Keywords: 4, 6dimethyl2- pyrimidinol, formation constant, toxic metal, SCOGS
Edition: Volume 5 Issue 10, October 2016,
Pages: 1067 - 1072
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