Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9749341 | Journal of Chromatography A | 2005 | 10 Pages |
Abstract
A macro matrix solid-phase dispersion (MSPD) method was developed to extract 266 pesticides from apple juice samples prior to gas chromatography-mass selective detection (GC-MSD) determination. A 10Â g samples was mixed with 20Â g diatomaceous earth. The mixture was transferred into a glass column. Pesticide residues were leached with a 160Â mL hexane-dichloromethane (1:1) at 5Â mL/min. Two hundred and sixty-six pesticides were divided into three groups and detected by GC-MSD under selective ion monitoring. The proposed method takes advantage of both liquid-liquid extraction and conventional MSPD methods. Application was illustrated by the analysis of 236 apple juice samples produced in Shaanxi province China mainland this year.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Xiao-Gang Chu, Xiao-Zhong Hu, Hui-Yuan Yao,