Complexation reaction of metal ions with peptide systems. Part II. Potentiometric studies of the complexes of glycyl-DL-valine with Gd, Dy, Er and Yb |
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Authors: | Ranjit Singh Sandhu Ranjit Kumar Kalia |
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Institution: | Chemistry Department, Guru Nanak Dev University, Amritsar India |
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Abstract: | The stable complexes of amino acids with rare earths have found importance in the separation of these metals1. The complexation reactions of a number of dipeptides with copper and nickel have been reported in the literature2 – 9; but little work appears to have been done with rare earth metals. This paper is a continuation of our earlier communication10, and deals with the study of complexes of Gd3+, Dy3+, Er 3+ and Yb3+ with Glycyl-DL-valine. The Calvin—Bjerrum11, 12 pH titration technique, as modified by Irving and Rossotti13, has been employed. |
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Keywords: | To whom correspondence should be addressed |
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