DETERMINATION OF NONIONIC SURFACTANTS IN COLD ROLLING OIL OF EMULSION TYPE BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY

In determination of nonionic surfactants in cold rolling oil of emulsion type, new pretreatment which is not filtration of iron fines but dissolution of iron fines by combination of citric acid and a microwave irradiation(2.45GHz) was investigated. In addition, by combination of silica gel packed co...

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Veröffentlicht in:	Analytical Sciences 1991, Vol.7(Supple), pp.113-116
Hauptverfasser:	KARUBE, KENJI, IWASAKI, YOSHIHIRO, MATSUSHITA, RIEKO, KOIZUMI, SOEI, ISHIBASHI, WATARU
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Chemistry Chromatographic methods and physical methods associated with chromatography Column Chromatography Exact sciences and technology High Performance Liquid Chromatography Microwave Organic acid Other chromatographic methods Surfactant
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Zusammenfassung:	In determination of nonionic surfactants in cold rolling oil of emulsion type, new pretreatment which is not filtration of iron fines but dissolution of iron fines by combination of citric acid and a microwave irradiation(2.45GHz) was investigated. In addition, by combination of silica gel packed column chromatography and HPLC, the nonionic surfactants were determined in the yields from 82% to 98%.
ISSN:	0910-6340 1348-2246
DOI:	10.2116/analsci.7.Supple_113