Abstract
A simple on-column injection system for large volume of liquid samples for the GC-MS determination of traces of PAHs and PCBs has been investigated. A deactivated fused silica capillary 20 m × 0.53 mm I.D. and 2 meters of an HP5 column (0.53 mm,1 μm film thickness) were used as retention gaps. Injection volumes of 80 μL for PAHs and 90 μL for PCBs, allow determination of 5–50 ng L−1 PAHs and 11–44 ng L−1 PCBs in hexane solution with an RSD of < 10%. The method has been used for the determination of PCBs and PAHs in soil sample.
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