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Chromosorb T 30/60mesh
定制4种胺类离子色谱混标(HJ 1076-2019)
NUCLEOSIL CN, 5UM, 25CM X 3.2MM ID
CRYOVIALS, PP, -20 +196°C, SCREW CAP W. SEAL JOINT, 2,0 ML, ROUND,1 BAG = 100 PCS, 1 CARTON = 10 B
MDN-5 3气相毛细管柱
8%dc-200+4%bentone-34 on chromosorb w hp 80-100 3m*3mmsus
MTO-1/8IN TUBE END FITTINGS, TEFZEL, PK1
2-硝基苯辛醚
BETASIL C8 5UM 10X3MM DROP-IN GUARDS 4/PK
色胺