Polar phase; Crossbond Carbowax polyethylene glycol - provides oxidation resistance General-purpose columns for FAMEs, flavor compounds, essential oils, amines, solvents, xylene isomers, and U.S. EPA Method 603 (acrolein/acrylonitrile). Equivalent to USP G14, G15, G16, G20, and G39 phases. 4.5" standard coil diameter. Similar phases: MXT-Wax, HP-INNOWax, CP-Wax 53 CB, VF-WAX MS, Supelcowax-10, ZB-WAXplus, AT-WAX