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OV-210 三氟丙基(50%)甲基聚硅氧烷 (固定液)
ANPEL 24-400 棕色螺纹口40ml EPA/VOA样品瓶
FLASKS, ROUND BOTTOM, CENTER NECK, AMBER STAINED, 50 ML, ST 29/32, 51 X 90 MM
端盖石墨管
NITROGEN FLASKS, ACC. TO SCHLENK, ROUND BOTTOM, WITH SIDE PTFE VALVE AND HOSE CONNECTION, 250 ML, ST 14/23, BOROSILICATE GLASS
(定制产品)17种元素ICP-MS混标,1000mg/L溶于盐酸
ECO QC防静电保护足趾安全鞋(39码)
硫化物检测试剂
PUNYW9208580 Cetirizine Impurity 18 (4-Chlorobenzophenone)
DOWEX? 1x8 100-200 Mesh Anion Exchange Resin