Determination of Aniline and Its Derivatives in Environmental Water by Capillary Electrophoresis with On-Line Concentration

International Journal of Molecular Sciences

Shuhui Liu¹  Wenjun Wang¹  Jie Chen¹ 

[1] College of Sciences, Northwest A & F University, Yangling, Shaanxi 712100, China; E-Mails:

关键词: capillary electrophoresis;    water analysis;    environmental analysis;    aromatic amines;    on-line concentration;   

DOI  :  10.3390/ijms13066863

来源: mdpi

【 摘 要 】

This paper describes a simple, sensitive and environmentally benign method for the direct determination of aniline and its derivatives in environmental water samples by capillary zone electrophoresis (CZE) with field-enhanced sample injection. The parameters that influenced the enhancement and separation efficiencies were investigated. Surprisingly, under the optimized conditions, two linear ranges for the calibration plot, 1–50 ng/mL and 50–1000 ng/mL (R > 0.998), were obtained. The detection limit was in the range of 0.29–0.43 ng/mL. To eliminate the effect of the real sample matrix on the stacking efficiency, the standard addition method was applied to the analysis of water samples from local rivers.

【 授权许可】

CC BY   
© 2012 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.