DETERMINATION OF AROMATIC SULFONIC-ACIDS IN INDUSTRIAL-WASTE WATER BY ION-PAIR CHROMATOGRAPHY

被引：35

作者：

BASTIAN, B ^{[1
]}

KNEPPER, TP ^{[1
]}

HOFFMANN, P ^{[1
]}

ORTNER, HM ^{[1
]}

机构：

[1] TH DARMSTADT,FACHBEREICH MAT WISSENSCH,D-64295 DARMSTADT,GERMANY

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1994年 / 348卷 / 10期

关键词：

D O I：

10.1007/BF00325571

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method for the identification and quantification of aromatic sulfonic acids in industrial waste water has been developed. The preparation of the samples comprises a clean-up step and an enrichment step, utilizing i) reversed-phase extraction and ii) ion-pair solid phase extraction. The aromatic sulfonic acids are separated by ion-pair chromatography with diode-array detection. An advantage of the developed ion-pair chromatographic method is the separation of linear alkylbenzenesulfonic acids (LAS), lignosulfonic acids and aromatic sulfonic acids in one chromatographic run. Also described is an optimized clean-up procedure for collected fractions of a preparative chromatographic run to identify monosulfonic acids with GC/MS after methylation. The detection limits for aromatic sulfonic acids in industrial waste waters are at the mug/1 level.

引用

页码：674 / 679

页数：6

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