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ISSN 2063-5346
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A Potentiometric Study on Chemical Speciation of Binary Complexes of Biologically Essential Metal Ions with Glycylglycine in CTABWater Mixtures

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Sowbhagya Lakshmi Matcha and Nagakrishna Taidala
» doi: 10.48047/ecb/2023.12.si7.069

Abstract

In the current work, the binary metal ligand complexes generated between essential metal ions and glycylglycine in a (0.0-2.5% v/v) CTAB-water mixture have been examined. In order to gather the data for this experiment, a pH metre was utilised. The temperature was held at 303.0 K, and the medium's ionic strength was kept at 0.16 mol L-1. Numerous metal ligand complexes have been created and investigated by the computer model MINIQUAD75. Titrimetric data is statistically analysed, and using statistical criteria like R-factor, Standard deviation, and U-Correction, among others, the best-fit chemical model is chosen. The stability constants of binary metal ligand complexes produced with regard to the mole fraction of the CTAB were found to be significantly affected by electrostatic and non-electrostatic forces in this experiment.

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