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套装 磁 顶空 样品瓶 /旋盖/钳口盖-未组装 500/件 10ML 透明 圆底 红色 COMP 聚四氟乙烯/硅树脂
EcoCART 125-3,LiChrosorb 100 Si 7μm定制柱
DOWEX? 1x4 20-50 Mesh Anion Exchange Resin
TEST TUBE CAPS, 33 mm (100 pcs)
OMNIFIT COUPLING SLEEVE FOR 10MM BORE CO LUMN, EA
气相色谱柱,TRACE TR-50MS 气相柱, 30m, 0.32mmID, 0.25μm 液膜厚度
PUNYW9982404 Dopamine Impurity 1
WEIGHING FUNNELS, PE, 12 ML, 25 X 65 MM
CRUCIBLES, QUARZ GLASS, LOW FORM, COMPLETE, 150 ML, 70 x 56 MM
广口瓶,PTFE材质,500 ml,开口52 mm