Low-polarity proprietary phase General-purpose columns exhibiting extremely low bleed. Ideal for many GCMS applications, including pesticides, PCB congeners (e.g., Aroclor mixes), PAHs Unique selectivity Similar phases: Rxi-XLB, DB-XLB, VF-Xms, ZB-MR1, ZB-XLB Temp. Range: 30 to 340/360°C