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FILTER PAPER CIRCLES, MEDIUM SPEED, MEDIUM SOFT, RAPID, FILTER D. 90 MM, IN BAGS á 100 PCS
19种元素ICP-MS混标,2mg/L溶于2% HNO3
4-甲氧基-3-三氟甲基苯硼酸 (含有数量不等的酸酐)
Piston for Transferpette? Digital type 1 - 10 μl
CRIMPMATE W/8MM 钳口S
DURAN? distilling flask, 500 ml
3ML SPE小柱连接管
CAPCELL PAK C18 SG300 (S-5) 4.6X250*
次乌头碱
LiChroCART 75-4,Purospher RP-18e 10μm定制柱