Determination of agrochemical residues in aquatic vegetables by solid-phase extraction combined with HPLC spectrometry analyses

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• 作者：Yunshen Wang ; Changshui Chen ; Xiufang Cao…
• 关键词：Aquatic vegetables ; Pesticide residues ; Solid ; phase exaction ; HPLC–DAD ; Spectrometry analyses
• 刊名：Research on Chemical Intermediates
• 出版年：2015
• 出版时间：May 2015
• 年：2015
• 卷：41
• 期：5
• 页码：2841-2853
• 全文大小：395 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Catalysis
  Physical Chemistry
  Inorganic Chemistry
  
• 出版者：Springer Netherlands
• ISSN：1568-5675

文摘

In the present study, a simple and inexpensive method for the simultaneous determination of 22 pesticides in aquatic vegetables by HPLC spectrum analyses with diode array detector (HPLC–DAD) is established. The proposed method is also applied for the analyses of pesticides residues in water chestnut, lotus root, and wild rice shoots, and the results indicate that this method could meet the requirements for simultaneous determination of the pesticides. The calibration showed good linearity for all the tested pesticides with correlation coefficients of 0.9936-.9994. Recoveries for the studied 22 pesticides at their three spiked concentration levels in water chestnut ranged from 73.5 to 108.3?%, with relative standard deviations of 1.7-2.5?%. Limits of quantitation for the analytes were estimated to range between 0.01 and 10.00?mg?kg?.