High-resolution, comprehensive GCxGC of PCBs at 10 pg per component

Sub-amu extracted-ion chromatogram (EIC) of m/z 291.94 representing tetrachlorobiphenyl compounds (10 pg per component). Narrow-width EICs give an extra degree of confidence in identification in the peak assignments.
Column set:
Primary column: 30 m x 0.25 mm x 0.25 µm Rxi-5ms
Modulation loop: 1 m x 0.15 mm methyl-deactivated FS |
Secondary column: 1 m x 0.15 mm x 0.1 µm RTX-200 Transfer capillary 0.5 m x 0.15 mm methyl-deactivated FS |
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