SOLID-PHASE TRAPPING OF POLYCHLORINATED-BIPHENYLS IN SUPERCRITICAL-FLUID EXTRACTION

被引:34
作者
BOWADT, S [1 ]
JOHANSSON, B [1 ]
PELUSIO, F [1 ]
LARSEN, BR [1 ]
ROVIDA, C [1 ]
机构
[1] HEWLETT PACKARD CORP,ANALYT GRP,I-20063 CERNUSCO S N,ITALY
关键词
D O I
10.1016/0021-9673(94)80532-6
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A method for the interference-free analysis determination of polychlorinated biphenyl (PCB) congeners in sewage sludge in less than 2 h with quantification limits down to 10-20 ppb (w/w) is presented. Evaluations were made of four different trapping materials for the supercritical fluid extraction of PCBs from sewage sludge. The influence of modifiers at different concentrations and temperatures was studied for different trapping materials with respect to their trapping efficiency with spiked samples.
引用
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页码:424 / 433
页数:10
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