GC column selection guide
Similar polysiloxane Phases BONDED PHASE TEMP °C GENERAL USE OF PHASE EQUIVALENTS Methyl polysiloxane 50-325 Most frequently used phase in GC. Low selectivity, separates compounds according to boiling points. Excellent thermal stability SE-30, OV-1, OV-101, DB-1, SPB-1, BP-1, HP-1, ULTRA-1, RTx-1, AT-1, CPSil-5 Methyl 5% Phenyl Polysilozane 50-325 Similar to methyl polysiloxane but slightly more..