or
SGE Capillary GC Column^ BP1, PONA, 100MX0.25mmIDX0.5um, high temp/low bleed/MS grade, general boiling point analysis, 100% Dimethyl, -60?C to 280/300?C, hydrocarbons, aromatics, replaces DB-1, DB-1petro, HP-1, Rtx-1, SPB-1, AT-1, CP-Sil 5CB