or
SGE Capillary GC Column BP20(WAX) 30MX0.22mmIDX0.25um Polyethylene Glycol 20[degree]C to 260/280[degree]C essential oils alcohols free acids fatty acid methyl esters aromatics solvents DB-WAX DB-WAXetr Rtx-Wax HP-Wax Supelcowax-10 AT-Wax
SGE Capillary GC Column BP20(WAX) 60MX0.22mmIDX0.25um Polyethylene Glycol 20[degree]C to 260/280[degree]C essential oils alcohols free acids fatty acid methyl esters aromatics solvents DB-WAX DB-WAXetr Rtx-Wax HP-Wax Supelcowax-10 AT-Wax