SPECTROPHOTOMETRIC INVESTIGATION OF COMPEX FORMATION OF CERIUM(III) WITH 1-PHENYL-2,3-DIMETHYLPYRAZOLONE-5-AZO-4-PYROGALLOLE IN THE PRESENCE OF 8-HYDROXYQUINOLINE

S.R.Gadjiyeva, F.E.Huseynov, A.Sh.Efendiyeva, M.T.Akhundova, F.M.Chiragov

Complex formation of cerium(III) with 1-phenyl-2,3-dimethylpyrazolone-5-azo-4-pyrogallole (L) in the presence and absence of 8-hydroxyquinoline (HQ) was investigated. It is revealed that homogeneous CeL and mixed ligand CeL–HQ compounds are formed at рН 6. Ratio of reagents in composition of homogeneous is 1:2 and in different ligand it equals to 1:2:2. The technique for photometric determination of cerium has been worked out in artificial mixture

Keywords : 1-phenyl-2,3-dimethylpyrazolone-5-azo-4-pyrogallol, cerium(III), 8-hydroxyquinoline, complex formation, photometric

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