Method of extraction-photometric determination of phosphorus impurities in glass

Lapitskaya, E. V.

doi:10.1007/bf00704567

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1989

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“…This complex can then be separated selectively from the yellow molybdosilicic acid complex, which is likewise built up, using an organic extractant depending on the pH of the solution (31). The most common extractants used for complex separation are diethyl ether (31), isobutyl acetate (32), n-butyl acetate (31), isoamyl acetate (33), methyl isobutyl ketone (31), diethyl ether-l-pentanol (5:1) (22, 31) or (3:1) (32), and chloroform-1-butanol (4:1) (31, 34) or (3:1) (35). In this work isobutyl acetate was chosen as the extractant, as it allows for quantitative extraction of the yellow molybdophosphoric acid complex at pH = 1.0.…”

Section: Resultsmentioning

confidence: 99%