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LiChrosorb?NH2 (5 祄)
(定制产品)22种元素ICP-MS混标,100mg/L溶于5% HNO3 + Tr HF
PTFE-SLEEVES FOR JOINTS, FOR CONES ST 12/21, WITH GRIPPING RING, WALL THICKNESS 0,05 MM
LiChroCART 125-3,Chiraspher NT 5μm定制柱
AG/AGCL-EL.SGJ WOC SCH *
Hibar 250-4,6,Purospher RP-18 5μm定制柱
聚丙烯酰胺,非离子型,分子量:200万-1400万
双草酸氧化钛(IV)酸钾二水合物
Silica gel 60 H for thin-layer chromatography
温度计,无水银,SILBERBRAND,-10 至 +110°C