期刊
出版社
ELSEVIER
DOI: 10.1016/j.jchromb.2007.10.001
关键词
cutaneous exposure; analytical method validation; pesticides; pads; selected ion monitoring
In occupational exposure to pesticides, validated methodologies are available only in regards to homogeneous chemical classes of substances and the inhaling exposure, neglecting the cutaneous one that, especially in agriculture, represents an important route of absorption. An analytical methodology for the simultaneous quantification of different chemical classes of pesticides by usingpads as environmental matrix and GC-MS/SIM as detection method was developed and validated. The extraction step of analytes from pads was optimized by comparing analytes recovery percentages obtained with different extraction solvents. High recoveries were obtained with ether and, above all, with acetonitrile. Validation experiments following the Food and Drug Administration Guidelines were carried out. (C) 2007 Elsevier B.V. All rights reserved.
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