The separation and determination of nitrophenol isomers by high-performance capillary zone electrophoresis

o-Nitrophenol, m-nitrophenol, and p-nitrophenol could well be separated by capillary zone electrophoresis (CZE) by only adjusting the run buffer with methanol. Efficiency up to 10 5 theoretical plates per meter was achieved. The effects of several important factors were investigated to find optimum...

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Bibliographic Details
Published in:Talanta (Oxford) 2004-09, Vol.64 (1), p.135-139
Main Authors: Guo, Xifeng, Wang, Zhenhui, Zhou, Shuping
Format: Article
Language:English
Subjects:
Analytical chemistry
Capillary zone electrophoresis
Chemistry
Chromatographic methods and physical methods associated with chromatography
Exact sciences and technology
o-, m-, p-Nitrophenols
Other chromatographic methods
Positional isomers
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Summary:o-Nitrophenol, m-nitrophenol, and p-nitrophenol could well be separated by capillary zone electrophoresis (CZE) by only adjusting the run buffer with methanol. Efficiency up to 10 5 theoretical plates per meter was achieved. The effects of several important factors were investigated to find optimum conditions. The linear range, regression equation, and the recovery were given. This method possessed the advantages of simplicity, rapidity, and good reproducibility; it can be developed for the separation of practical samples in environment analysis.
ISSN:0039-9140
1873-3573
DOI:10.1016/j.talanta.2004.01.020