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纺织品中防腐剂空白样品待测目标物五氯苯酚
试管模块支架 30X0.5mL
松三糖a
LiChroCART 250-10,LiChrospher 100 RP-8e 5μm定制柱
50mL黑色实心拧盖、含PTFE隔垫
SQUARE WIDE MOUTH CONTAINER (PVC), 50 ML, WITH SCREW CAP, AMBER-TRANSPARENT, 38 X 38 MM, HEIGHT 60
LiChroCART 75-4,LiChrosorb 100 Si 10μm定制柱
乙氧氟草黄 标准品
FREEZE DRYING AMPOULES, BORO., ROUND BOTTOM, 15 ML, 8 X 180 MM
LiChrolut?RP-18 E (40 - 63 祄) 1000 mg 6 ml standard PP-tubes 30 extraction tubes per package