Browsing by Author "Moalim, Adam"

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    Cohplexation of Alizarin Blue Sky And Disperse Blue with Zn(Ii), Cd(Ii),Hg(Ii), Ti( Iv), Zr(Iv ) and Pd(Ii) and Their Analytical Application
    (Addis Ababa Universty, 1994-06) Moalim, Adam; Retta, Negussie (PhD)
    Complexation of Zn(II), Cd(II), Hg(II), Ti(IV), Zr(IV) and Pd(II) with two anthraquinone derivatives, alizarin blue sky ( ABS) and disperse blue (DB), was studied spectrophotometrically. The spectral behaviour of the ligands were investigated. The suitable conditions for complexation were selected and the stoichiometry of the complexes in solution were determined. The solid complexes were isolated and characterized by elemental analysis and IR data. The mode of ligands binding were investigated. Analytical procedure for quantitative determination of Ti(IV) in Ti02 using ABS as an analytical reagent was developed.