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A fully automated GC-ECD system was constructed to perform unattended on site measurement of airborne halocarbons. To adequately manage water vapor during analysis a retractable thermoelectric cooling device was built and incorporated into the automated GC-ECD system for retaining water vapor during sample preconcentration. This device allows the trap tubing to engage with the cooling block when trapping,...
Results from polychlorinated biphenyls (PCB) analyses of mussel tissue extracts by immunoassay (PCB RaPID Assay ( R)) and conventional gas chromatography-electron-capture detection (GC-ECD) are described and compared. Mussels from natural populations with diverse concentrations of PCBs, mussel tissue fortified with technical Aroclor ( R) 1254 and a certified reference material are...
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