Extraction-chromatographic determination of hydroxysulfo compounds |
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| Authors: | Ya. I. Korenman P. T. Sukhanov A. S. Gubin |
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| Affiliation: | (1) Voronezh State Academy of Technology, pr. Revolyutsii 19, Voronezh, 394000, Russia |
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| Abstract: | Conditions of the extraction of naphtholsulfonic acids and azo dyes with an acetone-diacetone alcohol mixture from a saturated solution of ammonium sulfate in the presence of N-cetylpyridinium chloride were optimized. A procedure was developed for the determination of naphtholsulfonic acids and azo dyes in the presence of naphthols on the basis of extraction with a mixture of solvents and an analysis of the concentrate by paper chromatography with elution with the same mixture in the presence of water. |
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