Mid-polarity phase: Crossbond 6% cyanopropylphenyl / 94% dimethyl polysiloxan General-purpose columns for residual solvents, alcohols, oxygenates, and volatile organic compounds Equivalent to USP G43 phase Similar phases: Rtx-1301, DB-1301, CP-1301, SPB-1301, BP-624, ZB-624, 007-1301, AT-1301