by
Restek Corporation
Nonpolar phase, Crossbond 100% dimethyl polysiloxane. General purpose columns for drugs of abuse, essential oils, hydrocarbons, pesticides, PCB congeners e.g. Aroclor mixes. , sulfur compounds, amines, solvent impurities, simulated distillation, oxygenates, gasoline range organics GRO. , refinery gases. Tested and guaranteed for ultra-low ...