10 research outputs found

    Thermogravimetric and differential thermal analysis of bipyridyl, <i style="mso-bidi-font-style: normal">ortho</i>-phenylenediamine and 1,10 phenanthroline complexes of some Cu(II) salts

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    299-302Dynamic TGA and DTA studies on thermal decomposition of coordination complexes of bipyridyl, ortho-phenylenediamine and 1.10 phenanthroline with Cu(II) chloride, nitrate, sulphate. acetate and oxalate reveal that the process occurs through the stages: liquefaction, dehydration, deamination, deanionation and oxidation of Cu. All the steps are composite in nature consisting of simultaneous loss of the component moieties in varying proportions and the related ∆Hs and Eas are significantly dependent on the nature of the co-anions and ligands. </span
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