
The interaction of molybden(VI) with 2,6-ditiol-4-tret-butylphenol (DTBPh) and hydrophobic amine (Am) leads to the formation of chloroform-extracted 3-component complex compounds with correlation Mo(VI):DTBF:Am-=1:2:2. As hydrophobic amins, there have been used aniline, N-metilaniline and N,N-dimetilaniline. Conditions for the extraction-photometric determination of molybden have been found. It revealed that different-ligand complexes were formed in the weak acid medium(pH 3.5 5.2). Maximum of light absorption is observed at 525-535 nm. The molar coefficient of light-absorption is ε = (4.8-5.2)•104 respectively. Coordinating ion is cation MoO.
При взаимодействии молибдена с 2,6-дитиол-4-трет-бутилфенолом (ДТБФ) и гидрофобными аминами (Ам) образуются экстрагируемые хлороформом трех-компонентные соединения с соотношением Мо(VI):ДТБФ:Ам=1:2:2. В качестве гидрофобного амина использован анилин, N-метиланилин, и N,N-диметиланилин. Найдены условия экстракционно-фотометрического определения молибдена. Установлено, что разнолигандные комплексы образуются в слабокислой среде (рНопт 3.5-5.2). Максимум в спектре светопоглощения наблюдается при 525-535 нм. Молярный коэффициент светопоглощения равен (4.8-5.2)·104. Координирующим ионом является катион MoO.
2,6-дитиол-4-трет-бутилфенол, разнолигандные комплексы, экстракционно-фотометрический метод
2,6-дитиол-4-трет-бутилфенол, разнолигандные комплексы, экстракционно-фотометрический метод
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