Identification of low chlorinated biphenyls in human milk by gas chromatography--mass spectrometry
- PMID: 98535
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Identification of low chlorinated biphenyls in human milk by gas chromatography--mass spectrometry
J Chromatogr.
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Abstract
Trichlorobiphenyl and tetrachlorobiphenyls in human milk were analysed by gas chromatography--mass spectrometry and mass fragmentography using silicone OV-1 and Apiezon L grease as stationary phases. Low-chlorinated biphenyls had been considered to be excreted rapidly from the body, but in this work quantities of tri- and tetrachlorobiphenyls amounting to approximately 30% of the total of polychlorinated biphenyls (PCBs) accumulated in the milk were identified. This result is important in relation to the quantification of PCBs and in studies of the mechanism of biological degradation.
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