or
SGE Capillary GC Column BPX5 30MX0.53mmIDX1.5um high temp/low bleed/MS grade general analyses 5% Phenyl -40?C to 350/360?C ultra-trace analyses environmental drugs aromatics replaces DB-5ms DB-5 HP-5ms HP-5 Rtx-5silms MDN-5S AT-5ms Rtx-5