TRACE ANALYSIS OF ETHANOLAMINE IN WATER USING ION-PAIR CHROMATOGRAPHY WITH ONLINE PRECONCENTRATION

被引：3
|
作者：
LEHOTAY, J [1 ]
HATRIK, S [1 ]
MOTOSICKA, A [1 ]
机构：
[1] COMENIUS UNIV BRATISLAVA, INST CHEM, BRATISLAVA 84115, SLOVAKIA
来源：
JOURNAL OF LIQUID CHROMATOGRAPHY | 1995年 / 18卷 / 08期
关键词：
D O I：
10.1080/10826079508009301
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A simple and rapid method for the determination of ethanolamine in water was developed. The problem of ethanolamine preconcentration was solved by adding octane-1-sulfonic acid (OSA) to the water sample and ion pair was sorbed on the precolumn C18. After flushing ion pair of ethanolamine was desorbed to the analytical column with lower concentration of OSA in mobile phase. Electrochemical detection was used. The limit of the detection at 0.88 V and signal/noise ratio of 5 was about 2 ppb. The mean relative standard deviation was 10% at 10 ppb level.
引用
收藏
页码：1647 / 1654
页数：8
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