Studies on Biologically Significant Copper (II) / Manganese (II) / Uranyl (II) – Isoleucine Binary Complexes

Authors

  • Brij Bhushan Tewari University of Guyana

DOI:

https://doi.org/10.29356/jmcs.v52i3.1070

Keywords:

paper ionophoresis, overall mobility, copper(II), manganese(II), uranyl(II), stability constants, isoleucine

Abstract

The stability constants of Cu2+, Mn2+ and UO22+ complexes with isoleucine were determined by paper electrophoretic technique. Present method is based upon the migration of a spot of the metal ions on a paper strip at different pH’s of background electrolyte. A graph of pH against mobility gives information about the binary complexes and permit to calculate their stability constants. The first and second stability constants of [Cu(II) – isoleucine], [Mn(II) – isoleucine] and [UO2(II) – isoleucine] complexes were found to be (8.41 ± 0.07; 6.43 ± 0.03), (3.87 ± 0.11; 2.61 ± 0.06) and (7.91 ± 0.13; 5.73 ± 0.04) for Cu(II), Mn(II) and UO2(II) complexes, respectively at ionic strength 0.1 Mol/L and a temperature of 35 0C

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Author Biography

Brij Bhushan Tewari, University of Guyana

Department of Chemistry, Faculty of Natural Sciences

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Published

2019-07-31

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Section

Regular Articles