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Экстракционная система без органического растворителя вода антипирин сульфосалициловая кислота

Экстракционная система без органического растворителя вода антипирин сульфосалициловая кислота

Abstract

Расслаивающаяся система с сульфосалициловой кислотой безопасна и экологична, так как единственным жидким компонентом является вода, а твердые вещества малотоксичны. Образующаяся в результате кислотно-основного взаимодействия антипирина с сульфо-салициловой кислотой органическая фаза существует в узком интервале рН (1,3-2,0), ее объем зависит от любого фактора, сдвигающего равновесие указанной про-толитической реакции, т. е. от введения кислот, щелочей, высаливателей. В тройной расслаивающей системе вода антипирин сульфосалициловая кислота в органическую фазу извлекаются жесткие катионы типа железа (III) в виде катионных комплексов с антипирином как жестким лигандом. Перечень извлекаемых элементов зависит от анионного фона водной фазы и расширяется в присутствии анионных лигандов, особенно тиоцианат-ионов. Существует корреляция между эффективностью экстракции элемента и устойчивостью его ацидокомплексов с анионом высаливателя.

Exfoliating system with sulfosalicylic acid is safe and environmentally friendly, as the only component of the liquid is water and the solids are slightly toxic. Produced as a result of acid-base interactions of antipyrine and sulfosalicylic acid organic phase exists in a narrow range of pH (1,3-2,0); its volume depends on any factor, shifting the balance of this protolytic reaction, that is, the addition of acids, alkalis, salting-out agents. In triple system water antipyrine sulfosalicylic acid hard cations such as iron (III) in the form of cationic complexes with antipyrine as rigid ligand are extracted in the organic phase. List of extracted elements depends on anionic background of aqueous phase and expands in the presence of anionic ligands, especially thiocyanate ions. There is a correlation between the efficiency of extraction of the element and the stability of its acido-complexes with the anion of salting-out agent.

Keywords

РАССЛОЕНИЕ, АНТИПИРИН, СУЛЬФОСАЛИЦИЛОВАЯ КИСЛОТА, ВЫСАЛИВАТЕЛЬ, ЭКСТРАКЦИЯ, КАТИОННЫЙ КОМПЛЕКС, АНИОННЫЙ ЛИГАНД, АЦИДОКОМПЛЕКС

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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