ISSN 0005-2531 (Print) ISSN 2522-1841 (Online)
SPEKTROPHOTOMETRIC INVESTIGATION OF COMPLEXES WOLFRAM(VI) WITH 2,4-DITIOL-4-tret-BUTYLPHENOL AND AMINOFENOLS
K.A.Kuliyev, N.A.Verdizadeh, N.S.Yunisova

 By the methods spectrophotometric methods was investigated complex formation of wolfram with  2,6-ditiol-4-tretbutylphenol (DTBPh ) and aminofenols. Wolfram(VI) form with DTBPh colored insoluble in inpolar organic solvents. Experiments with electromigratory in U-form tube and anion exchange on EDE-10 P anionit showed anion character of compounds. When aminophenols were introduced in systems extraction of their compounds in form of different ligand complexes  to organic phase is observed. From aminophenols 2-(N,N-dimethylaminomethyl)-4-methylphenol; 2-(N,N- dimethylaminomethyl)-4-chlorfenol. It was established, that mixedligand complex were  formed in weak acidic mediumhttps://akj.az.Maximal light absorption of complexes observe at 480–490 nm. Relative molar absorption coefficients are vacillated with the interval (3.7–3.9)×104

Keywords : wolfram(VI), 2,4-ditiol-4-tret-butylphenol, aminofenol, extraction-spectrophotometric method
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