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苯并咪唑-5-羧酸
异丙基氨盐酸盐
(分馏用)的聚丙烯针筒型氨丙基硅胶前处理柱(luer lock)M型(14g/25ml)
(定制产品)9种元素ICP-MS混标,1000mg/L± 2% 溶于2% HNO3
CNWBOND 1.5g硝酸银硅胶/1g活化硅胶& 2g碱性硅胶/1g活化硅胶 &4g酸化硅胶/2g活化硅胶/2g无水硫酸钠 SPE小柱
(R)-(-)-2-氨基-1-丙醇
LiChroCART 100-4,6,Purospher RP-18e 5μm定制柱
TLC硅胶 (25片/盒)
INTERMEDIATE RECEIVERS, ANSCHüTZ-THIELE, GRADUATED,PTFE-STOPCOCK, W. STRAIGHT ADAPTER, WITH COOLI
SAS HYPERSIL 3UM 10X2.1MM DROP-IN GUARDS 4/PK