ISSN 0005-2531 (Print) ISSN 2522-1841 (Online)
THE EXTRACTION-PHOTOMETRIC DETERMINATION OF COBALT(II) WITH AROMATIC DIAMINES AND 2,4-DINITROBENZENEAZOPYROCATECHOL
N.Kh.Rustamov, S.I.Bagbanly, U.N.Rustamova, O.T.Badalova, Z.S.Efendiyeva

 

The different-ligand complexes of cobalt with aromatic diamines: 2,2'-dipyridil, 1,10-phenantroline, 4,7-diphenylphenantroline and chromogen organic reagent − 2,4-dinitroben­zeneazopyrocatechol have been investigated by spectrophotometric method. The conditions of complex formation and extraction, their compositions, physic-chemical, optical and analytical properties have been determined. The extraction-photometric methods of determination of cobalt have been developed and applied for determining content of cobalt in the real objects.

 

Keywords : spectrophotometric, photometric, extraction-photometric, cobalt, granite, 2,2'-dipyridil, 1,10- phenantroline, 4,7-diphenylphenantroline, 2,4-dinitrobenzeneazopyrocatechol
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2024
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