Радиопромышленность. 2017; 27: 116-124
ЭКСПЕРИМЕНТАЛЬНОЕ ИЗУЧЕНИЕ СПОСОБНОСТИ ДИГЕПТИЛ- И ДИОКТИЛФОСФИНОВОЙ КИСЛОТ К ХИМИЧЕСКОМУ ОКИСЛЕНИЮ В ВОДНОЙ СРЕДЕ
https://doi.org/10.21778/2413-9599-2017-4-116-124Аннотация
Список литературы
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Radio industry (Russia). 2017; 27: 116-124
EXPERIMENTAL STUDY OF DIHEPTYLAND DIOCTYLPHOSPHINIC ACIDS REDUCIBILITY IN AQUEOUS MEDIA
https://doi.org/10.21778/2413-9599-2017-4-116-124Abstract
The brief review of higher dialkylphosphinic acids applications and of solid metal(+2,+3,+4) dialkylphosphinates is given. The solubility of R2PO2H, R = C7H15, C8H17, in the multiple inorganic and organic solvents media is estimated (0,23 and 0,16 mol/l in 96% ethanol at 23 °C). The methods of crystallizational purification are presented. The results of experimental study of dialkylphosphinic acid decomposition in the reactions with oxidants of different chemical nature (permanganate, dichromate, vanadate, bismuthate, cerium(+4), hexacyanoferrate(+3), diperiodatocuprate(+3), diperiodatoargentate(+3), diperiodatonickelate(+4), sulfuric acid, nitric acid, hydrogen peroxide, peroxydisulfate, hypochlorite, sodium benzenesulfonemonochloramide, bromate, periodate, iodate, manganese dioxide, lead dioxide) in aqueous media are given. Large amount of strong oxidant is required for breaking of both C–P chemical bonds in the molecule of higher dialkylphosphinic acid.
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