or
SGE Capillary GC Column BP1 60MX0.32mmIDX1um high temp/low bleed/MS grade general boiling point analysis 100% Dimethyl -60?C to 340/360?C hydrocarbons aromatics replaces DB-1 DB-1petro HP-1 Rtx-1 SPB-1 AT-1 CP-Sil 5CB