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A method for the interference-free analysis of PCB congeners in sewage sludge in less than 2 hours with quantification limits down to 10-20 ppb is presented. Evaluations are 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 are studied for different trapping materials with respect to their trapping efficiency in spiked samples.

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Authors: BOWADT S, JRC Ispra (IT);JOHANSSON B, JRC Ispra (IT);PELUSIO F, JRC Ispra (IT);LARSEN B R, JRC Ispra (IT);ROVIDA C, Hewlett-Packard Analytical Group, Cernusco (IT)
Bibliographic Reference: Paper presented: 2nd European Symposium on Analytical Supercritical Fluid Chromatography and Extraction, Riva del Garda (IT), May 27-28, 1993
Availability: Available from (1) as Paper EN 37574 ORA
Record Number: 199310891 / Last updated on: 1994-11-29
Original language: en
Available languages: en
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