scholarly journals Development of headspace solid-phase microextraction method for the analysis of pesticide residues in fruit and vegetable samples using OFAT design

2017 ◽  
Vol 21 (3) ◽  
pp. 455
Author(s):  
Lukman Bola Abdulra’uf ◽  
Amudalat Ranti Lawal ◽  
Guan Huat Tan
Keyword(s):  
Pesticide Residues ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Fruit And Vegetable ◽  
Headspace Solid Phase Microextraction ◽  
Vegetable Samples

scholarly journals Headspace Solid-Phase Microextraction of Pesticide Residues in Cannabis Samples

2006 ◽  
Vol 60 (12) ◽  
pp. 846-851 ◽  
Author(s):  
Yara Ilias ◽  
Serge Rudaz ◽  
Philippe Christen ◽  
Jean-Luc Veuthey
Keyword(s):  
Pesticide Residues ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Headspace Solid Phase Microextraction

scholarly journals Headspace solid phase microextraction in the analysis of pesticide residues: Kinetics and quantification prior to the attainment of partition equilibrium

2007 ◽  
Vol 72 (8-9) ◽  
pp. 879-887 ◽  
Author(s):  
Rada Djurovic ◽  
Mirjana Markovic ◽  
Dragan Markovic
Keyword(s):  
Gas Phase ◽  
Pesticide Residues ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Polymer Interfaces ◽  
Sorption Equilibrium ◽  
New Approach ◽  
Headspace Solid Phase Microextraction ◽  
Proportional Relationship ◽  
Partition Equilibrium

A new theoretical approach to the headspace/solid phase microextraction (HS/SPME) process is proposed and tested by the analysis of pesticide residues of water samples. The new approach focuses on mass transfer at the sample/gas phase and gas phase/SPME polymer interfaces. The presented model provides a directly proportional relationship between the amount of analytes sorbed by the SPME fiber and their initial concentrations in the sample. Also, the expression indicates that quantification is possible before partition equilibrium is attained. Experimental data for pesticides belonging to various classes of organic compounds were successfully interpreted by the developed model. Additionally, a linear dependence of the amount of pesticide sorbed on the initial analyte concentration in aqueous solution was obtained for a sampling time shorter than that required to reach sorption equilibrium.

Application of magnetic carbon nano-onions in dispersive solid-phase extraction combined with DLLME for extraction of pesticide residues from water and vegetable samples

2021 ◽  
Author(s):  
Elnaz Marzi Khosrowshahi ◽  
Mir Ali Farajzadeh ◽  
Mustafa Tuzen ◽  
Mohammad Reza Afshar Mogaddam ◽  
Mahboob Nemati
Keyword(s):  
Solid Phase Extraction ◽  
Pesticide Residues ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Phase Extraction ◽  
Dispersive Solid Phase Extraction ◽  
Vegetable Samples ◽  
Magnetic Carbon

A dispersive solid-phase microextraction method based on magnetic carbon nano-onions (MCNOs) was developed for the extraction and preconcentration of some pesticides from water and vegetable samples.

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