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Application of Hollow Fiber Supported Liquid Membrane Extraction to the Simultaneous Determination of Pesticide Residues in Vegetables by Liquid Chromatography/mass Spectrometry by Roberto Romero-González; Elena Pastor-Montoro; José Luis Martínez-Vidal; Antonia Garrido-Frenich is a Chemistry article available to read on EtoBox.
What is Application of Hollow Fiber Supported Liquid Membrane Extraction to the Simultaneous Determination of Pesticide Residues in Vegetables by Liquid Chromatography/mass Spectrometry about?
## Abstract A new analytical procedure using a hollow fiber supported liquid membrane (HFSLM) has been developed for the simultaneous determination of pesticide residues in vegetables by liquid chromatography (LC) coupled with electrospray mass spectrometry (MS). The extraction technique requires minimal sample preparation and solvent consumption. Optimum extraction conditions have been evaluated with respect to sample pH, ionic strength, liquid membrane composition, extraction time, stirring rate and acceptor composition. The extraction method has been validated for matrices such as cucumber, tomato and pepper, indicating that cucumber can be selected as representative matrix for routine analysis of these food commodities. Linear ranges of pesticides in vegetable samples were 10 to 200 μg/kg, and the repeatability of the method was less than 20% for the lowest calibration point. The limits of detection ranged from 0.06 to 2.7 μg/kg and the limits of quantification from 0.2 to 9.0 μg/kg, which were low enough to determine the pesticide residues at concentrations below or equal to the maximum residue levels (MRLs) specified by European Union. The method was finally applied to the de
Who reads Application of Hollow Fiber Supported Liquid Membrane Extraction to the Simultaneous Determination of Pesticide Residues in Vegetables by Liquid Chromatography/mass Spectrometry?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Roberto Romero-González; Elena Pastor-Montoro; José Luis Martínez-Vidal; Antonia Garrido-Frenich
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0951-4198)
- Published
- 2006
- Language
- EN
- Field
- Chemistry (Physical Sciences)