or
SGE Capillary GC Column BP20(WAX) 30MX0.32mmIDX0.5um 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 52CB
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CPLRY BP20-30MX0.32MMX0.5UM
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