REVERSED-PHASE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHIC DETERMINATION OF LINEAR ALKYLBENZENESULPHONATES IN RIVER WATER AT PPB LEVELS BY PRECOLUMN CONCENTRATION

被引：20

作者：

YOKOYAMA, Y

SATO, H

机构：

[1] Laboratory of Analytical Chemistry, Faculty of Engineering, Yokohama National University, Hodogaya-ku, Yokohama, 240

来源：

JOURNAL OF CHROMATOGRAPHY | 1991年 / 555卷 / 1-2期

关键词：

D O I：

10.1016/S0021-9673(01)87175-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A high-performance liquid chromatography method for the determination of linear alkylbenzenesulphonates (LASs) in river waters has been developed. The ppb levels of LASs can be determined by reversed-phase high-performance liquid chromatography with ultraviolet detection after on-line anion-exchange concentration and successive injection. LASs were quantitatively concentrated on the anion-exchange precolumn and easily cleaned up from river water matrix, because of its specific affinity, for the anion-exchange resin. A weak non-polar reversed-phase column was useful for the determination of LASs. The relationships between concentration and summation of peak areas were linear from 10 to 200 ppb for total LAS concentrated from 5 ml of standard solutions. Overall recovery for total LAS was found to be 99%. Total LAS in the Tama River waters was determined to be around 100 ppb by the proposed method.

引用

页码：155 / 162

页数：8

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