Non-polar phase: Crossbond 100% dimethyl polysiloxane Tested and guaranteed for ultra-low bleed; improved signal-to-noise ratio for better sensitivity and mass spectral integrity. General-purpose columns for arson accelerants, essential oils, hydrocarbons, pesticides, PCB congeners (e.g., Aroclor mixes), sulfur compounds, amines, solvent impurities, simulated distillation, oxygenates, gasoline range organics (GRO), refinery gases. Equivalent to USP G2 phase. Similar phases: Rxi-1MS, HP-1ms UI, HP-1ms, DB-1ms UI, DB-1ms, Ultra-1, VF-1ms, SPB-1, Equity-1, BP-1; ZB-1, ZB-1ms,007-1, AT-1ms Temp. Range: -60 to 330/350°C