Method development for the influence of matrix on selected organochlorine pesticide residue analysis in surface water by GC-MS

被引：2
|
作者：
Rimayi, C. [1 ,3 ]
Mtunzi, F. [1 ]
Wyk, C. V. [2 ]
Odusanya, D. [3 ]
机构：
[1] Vaal Univ Technol, Dept Chem, Vanderbijlpark, South Africa
[2] Vaal Univ Technol, Dept Biotechnol, Vanderbijlpark, South Africa
[3] RQS, Dept Water Affairs, Pretoria, South Africa
来源：
WATER POLLUTION XI | 2012年 / 164卷
关键词：
solid phase extraction (SPE); organochlorine pesticides; gas chromatography-mass spectrometry (GC-MS); SOLID-PHASE EXTRACTION;
D O I：
10.2495/WP120101
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An automated solid phase extraction (SPE) method coupled to GC-MS method for the analysis of selected organochlorine pesticides was developed and validated for the purposes of studying the matrix effects. The analytical method showed a significant degree of validity when tested against parameters such as linearity, repeatability and sensitivity. Four different reversed sorbent phases, including a Supelco LC18, Strata C18-E and Strata-X (styrene divinyl benzene) were tested for organochlorine extraction efficiency. The LC-18 proved to be the most robust and effective sorbent phase as it produced better recoveries varying from 90-130% for most analytes. It was then concluded that the method developed was suitable for further research towards the influence of the matrix on selective determination of the selected organochlorine pesticides.
引用
收藏
页码：111 / 121
页数：11
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