Description Fused silica capillary columns with exceptional reproducible retention High inertness for low level basic and acidic compounds Ultralow bleed—improved signal-to-noise ratio, for better sensitivity and mass spectral integrity Long lifetime Equivalent to USP G27 phase Semivolatiles, Phenols, Amines, Drugs of abuse, PCB cogeners, Solvent impurities, Residual solvents, Pesticides