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Chemometric Resolution for Rapid Determination of Prometryn in Leek Samples Using GC–MS

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Abstract

Much effort has been made to analyze the pesticides in foods or vegetables due to the interferences in the sample matrix. In this work, taking the determination of prometryn in leek samples as an example, a simple method is proposed for fast analysis of the components in real samples using GC–MS and chemometric resolution. The purification step in preparing the samples was simplified, and a short capillary column and fast temperature program were employed in GC–MS measurement. Although the measured signal is composed of overlapped peaks with the interferences and background, the signal of prometryn can be extracted by chemometric resolution. Six leek samples from different markets were analyzed within an elution time of 6 min. Compared with the results by the standard method, the results by the proposed method were found to be reliable.

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Acknowledgments

This study is supported by National Natural Science Foundation of China (No. 21175074).

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Authors and Affiliations

  1. State Key Laboratory of Medicinal Chemical Biology, Research Center for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People’s Republic of China

    Xi Wu, Weiwei Yu, Xiangyu Luo, Wensheng Cai & Xueguang Shao

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  1. Xi Wu
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  2. Weiwei Yu
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  3. Xiangyu Luo
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  4. Wensheng Cai
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  5. Xueguang Shao
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Correspondence to Xueguang Shao.

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Wu, X., Yu, W., Luo, X. et al. Chemometric Resolution for Rapid Determination of Prometryn in Leek Samples Using GC–MS. Chromatographia 76, 849–855 (2013). https://doi.org/10.1007/s10337-013-2487-6

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  • DOI: https://doi.org/10.1007/s10337-013-2487-6

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