期刊
JOURNAL OF CHROMATOGRAPHY A
卷 998, 期 1-2, 页码 169-181出版社
ELSEVIER
DOI: 10.1016/S0021-9673(03)00611-3
关键词
polybrominated diphenyl ethers; polychlorinated dibenzodioxins; polychlorinated dibenzofurans; polychlorinated biphenyls; organochlorine compounds; organobromine compounds; halogenated compounds
A strategy for determination of polybrominated diphenyl ethers, polychlorinated dibenzodioxins, polychlorinated dibenzofurans and polychlorinated biphenyls on fatty matrices has been established. After extraction, the proposed method allows the purification and the fractionation of all target groups of compounds in a simple multi-step automated clean-up. Furthermore, their subsequent analysis is carried out using a single benchtop mass spectrometer, in four separate injections. Required sensitivity considering levels found in the environment is attained using electron impact ionisation followed by tandem in time mass spectrometry. The whole method has been evaluated on standard solution and quality control samples consisting of fortified beef fat. Sensitivity, selectivity, accuracy and repeatability were tested with satisfactory results. (C) 2003 Elsevier Science B.V. All rights reserved.
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