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TLC薄板
ICP分析用溶液标准样品(19种元素混合),有证书
4-硝基苯硼酸频哪醇酯
PTFE Stirrer Bar, Micro, Red,8 x 3mm
1-Bromo-2-nitrobenzene, 99%
Tubing clips, clamping 7,9 - 9,2 mm, heat resistant from -40 /+125°C, for pressure up to 14 bars, made of extra hard nylon Case = 10 pcs.
CAPCELL PAK C18 BB-H S3 2.1X35
seripettor pro泵组件,10 ml, PPO/PEI材质, 哈氏合金弹簧
二硫化碳中丙烯腈溶液标准物质