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

Determination of agrochemical residues in aquatic vegetables by solid-phase extraction combined... 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 0.9936–0.9994. 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 1.7–12.5 %. Limits of quantitation for the analytes were estimated to range between 0.01 and 10.00 mg kg−1. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

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

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1393-8
Publisher site
See Article on Publisher Site

Abstract

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 0.9936–0.9994. 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 1.7–12.5 %. Limits of quantitation for the analytes were estimated to range between 0.01 and 10.00 mg kg−1.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Sep 24, 2013

References

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