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Vol. 25 No. 4 (2013): Vol 25 Issue 4

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Determination of Benzimidazoles Pesticides in Environmental Water Using Hollow Fiber Microextraction

https://doi.org/10.14233/ajchem.2013.13343
Y.R. Lee
Department of Chemical Engineering, Inha University, 253, Yonghyun-Dong, Nam-Gu, Incheon, South Korea
M. Tian
Department of Chemical Engineering, Inha University, 253, Yonghyun-Dong, Nam-Gu, Incheon, South Korea
K.H. Row
Department of Chemical Engineering, Inha University, 253, Yonghyun-Dong, Nam-Gu, Incheon, South Korea

Corresponding Author(s) : K.H. Row

rowkho@inha.ac.kr

Asian Journal of Chemistry, Vol. 25 No. 4 (2013): Vol 25 Issue 4

Abstract

An extraction method for the analysis of benzimidazoles pesticides (carbendazim, tiabendazole and tiophanate-methyl) in environmental water was developed based on hollow fiber liquid-phase microextraction (HF-LPME) combined with HPLC. The influence of the different factors on the HF-LPME efficiency including the salt conentraction and extraction time were examined. The best HF-LPME conditions were as follows: 1-octanol impregnated in the pores of the hollow fiber, extraction time of 2 h and salt concentration of 0.25 g/mL. Under the optimized condition, provided very low concentrations 0.0001 μg/mL were detected, showing 0.2, 0.5 and 0.25 fold enrichment of carbendazim, thiabendazole and thiophanate-methy, respectively. This had higher selectivity and sensitivity than the other traditional methods.

Keywords

Liquid-phase microextraction Hollow fiber Benzimidazoles pesticides
Lee, Y., Tian, M., & Row, K. (2012). Determination of Benzimidazoles Pesticides in Environmental Water Using Hollow Fiber Microextraction. Asian Journal of Chemistry, 25(4), 2095–2098. https://doi.org/10.14233/ajchem.2013.13343
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