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A method for the quantitative determination of eight polybrominated diphenyl ethers (PBDEs) in human milk was established using gas chromatography-negative chemical ionization/mass spectrometry (GC-NCI/MS). After extraction using the Soxhlet extractor, the lipid in the extract was removed by acidic silica, and the analytes were further purified by the multiplayer silica-alumina column. The concentrations...
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