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Determination of Etofenprox in environmental samples by HPLC after anionic surfactant micelle-mediated extraction (coacervation extraction)

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Abstract

A method is described for determination of residues of the insecticide Etofenprox in environmental samples. Anionic surfactant micelle-mediated extraction (coacervation extraction) was evaluated for isolation of Etofenprox before HPLC. The optimum conditions used for extraction included: 0.09 g sodium dodecanesulfonate (SDoS), 3.1 mL (3.3, for concentrations below 0.04 mg L−1) 12 mol L−1 HCl, 5 min vortex stirring, 5 min centrifugation at 4000 rpm, 2 h equilibration time. The limits of quantification (LOQ) and detection (LOD) were 0.01 and 0.004 mg L−1, respectively, and recoveries obtained from five real samples ranged from 94.33±2.48 to 100.13±2.71%. The precision of the method was good; relative standard deviations (RSD) were less than 7%.

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Authors and Affiliations

  1. Department of Applied Chemistry, China Agricultural University, Beijing, 100094, People’s Republic of China

    Guifang Jia, Chenglu Bi, Qiuxia Wang, Jing Qiu, Wenjing Zhou & Zhiqiang Zhou

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  1. Guifang Jia
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  2. Chenglu Bi
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  3. Qiuxia Wang
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  4. Jing Qiu
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  5. Wenjing Zhou
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  6. Zhiqiang Zhou
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Correspondence to Zhiqiang Zhou.

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Jia, G., Bi, C., Wang, Q. et al. Determination of Etofenprox in environmental samples by HPLC after anionic surfactant micelle-mediated extraction (coacervation extraction). Anal Bioanal Chem 384, 1423–1427 (2006). https://doi.org/10.1007/s00216-005-0273-5

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  • DOI: https://doi.org/10.1007/s00216-005-0273-5

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