or
Column, GC Capillary; Restek; Rxi-1ms; 0.25mm I.D.; 30m Length; 1.0um Film Thickness; -60 to +330/350deg.C; Fused Silica; Nonpolar Phase, Crossbond 100% dimethyl polysiloxane; General Purpose Column for Essential Oils, Drugs of Abuse, Hydrocarbons, Etc.