The Rtx-65 phase contains the high phenyl content to improve separation of aromatic compounds through increased phase-analyte interaction. A unique polarity makes these columns ideal for a variety of analyses, from phenols to FAMEs. Rtx-65 columns elute FAMEs according to equivalent chain length, similar to bonded Carbowax columns, but the Rtx-65 phase does not suffer the thermal stability limitations of other polar stationary phases.
Mid- to high-polarity phase
Crossbond diphenyl dimethyl polysiloxane
Confirmation column for EPA Method 604 phenols
Produces a different elution order compared to the primary Rtx-5 column
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