如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
22种芳香胺混标(GB6675.14)
CENTRIFUGE TUBES, 25 ML, CONICAL BOTTOM, GRADUATED, HEAVY WALL, WITH SCREW CAP, O.D. 24 MM, LENGTH
广口瓶,聚丙烯;聚丙烯螺旋盖,1000ml容量
PTFE/硅橡胶 带孔密封垫,42mm*26mm
DURAN ? Vacuum Desiccator DN150 (ready to use version) incl. DURAN ? desiccator base with flat flange, no outlet (247705703), DURAN ? desiccator lid w
套装,透明玻璃瓶+粉红色盖,象牙白PTFE/红色橡胶垫
SLIPFREE 长颈双接头 10cm 0.005" ID
土壤全量成分参比物质-广州韶关红壤
氯二氟乙酸酐
氯苯,色谱级, ≥99.5%