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  • Chem Sci Trans., 2013, 2(3),  pp 1028-1034  

    DOI:10.7598/cst2013.416

    Research Article

    Interaction of Cysteine and Nitrilotriacetate with Transition Metal Ions: A Solution Ionophoretic Technique Investigation

  • PRAVEEN P. SINGH* and SUDHANSHU KANAUJIA
  • Department of Chemistry, United College of Engineering & Research, Naini, Allahabad, U.P.-211010, India
  • Abstract

    In the work ionophoretic technique has been used for the study of Fe(III), Cu(II), Ni(II) and Co(II)-cysteine binary and Fe(III), Cu(II), Ni(II) and Co(II)-cysteine-NTA (Nitrilotriacetic acid) mixed complexes. The stability constants of metal-cysteine binary complexes are found to be 1011.30, 1010.00, 109.10, 108.90 and the stability constants of metal-cysteine-NTA mixed complexes have been found to be 108.40, 106.80, 106.00 105.50 for Fe(III), Cu(II), Ni(II) and Co(II) complexes respectively at μ = 0.1 M (HClO4) and 25 C.

    Keywords

    Binary complex, Ternary complex, Stability constant, Ionophoretic technique

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