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  • Title: Spectroscopic studies on some azo compounds and their cobalt, copper and nickel complexes.
    Author: Masoud MS, Khalil EA, Hindawy AM, Ali AE, Mohamed EF.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2004 Oct; 60(12):2807-17. PubMed ID: 15350916.
    Abstract:
    Synthesis and characterization of [o-carboxy phenylazo] moiety of barbituric acid, thiobarbituric acid, thiouracil, citrazinic acid, and disodium chromotropate and their complexes derived from cobalt (II), nickel (II), and copper (II) salts were done. The stereochemistry and the mode of bonding of the complexes were achieved based on elemental analysis, NMR, UV-Vis, IR and ESR. The dissociation constants of the free azo ligands are evaluated by spectrophotometric methods.
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