Dual-Column GC Analysis of Organochlorine Pesticides on SLB-5ms and SLB-35ms

The analysis of low levels of 20 organochlorine pesticides and 2 surrogate compounds by gas chromatography-electron capture detector (GC-ECD) is routinely performed by analysts in environmental laboratories. Methods require the analysis of each sample extract on two columns with orthogonal selectivities for confirmation of identifications.

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