Mid-polarity phase: Crossbond 50% diphenyl / 50% dimethyl polysiloxane General-purpose columns for pesticides, herbicides, rosin acids, phthalate esters, triglycerides, sterols Equivalent to USP G3 phase Similar phases: Rxi-17, HP-17, DB-17, DB-17HT, DB-608, SPB-17, ZB-50 Temp. Range: 40 to 280/320°C