or
SGE Capillary GC Column BP20(WAX) 10MX0.1mmIDX0.1um FAST Polyethylene Glycol 20?C to 260/280?C essential oils alcohols free acids fatty acid methyl esters aromatics solvents DB-WAX DB-WAXetr Rtx-Wax HP-Wax Supelcowax-10 AT-Wax CP-Wax 52C
CPLRY BP20-10MX0.1MMX0.1UM