On-line isotachophoretic sample pretreatment in ultratrace determination of paraquat and diquat in water by capillary zone electrophoresis

A study examined the effectiveness of on-line isotachophoretic/capillary zone electrophoresis in determining trace amounts of the herbicides paraquat and diquat in water and other polar pollutants. The technique reduced the minimum detectable concentration of ionogenic solutes by a factor of 10(3)-1...

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Bibliographic Details
Published in:Analytical chemistry (Washington) 1994-06, Vol.66 (11), p.1817-1824
Main Authors: KANIANSKY, D, IVANYI, F, ONUSKA, F. I
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Environmental monitoring
Exact sciences and technology
Herbicides
Other chromatographic methods
Scientific imaging
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Summary:A study examined the effectiveness of on-line isotachophoretic/capillary zone electrophoresis in determining trace amounts of the herbicides paraquat and diquat in water and other polar pollutants. The technique reduced the minimum detectable concentration of ionogenic solutes by a factor of 10(3)-10(4) compared to single-column capillary zone electrophoresis.
ISSN:0003-2700
1520-6882
DOI:10.1021/ac00083a007