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定制5种元素混标(Ag,Ba,Sb,Sn,Tl)
80丝塑料瓶
100ml PFA广口瓶(带内塞)
二硫化碳中正丙醇溶液标准物质
FUNCTION-STOP FOR SCREW-THREADS, SVS, FA 8, OD TUBES: 8 MM, OD FA: 12 MM, LENGTH 120, W.-THICK: 1
玻璃塞(空心塞)
HyperSep Phenyl SPE Column 1g/6mL 30个/包装
BOTTLES, NARROW NECK, LDPE BROWN, COMPLETE WITH SCREW CAP GL 25 CAPACITY 500 ML
2-丁基-2-乙基-1,3-丙二醇
BC WAX 50mx0.25mm气相色谱柱