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N-乙基环己胺
XBridge BEH Phenyl Intelligent Speed (IS) Colum色谱柱
PCB 189(2,3,3’,4,4’,5,5’-七氯联苯) 标准品
STIRRER RODS
STIRRER MAGNETS Colored Micro - R, B, Y
STIRRER GUIDES, WITH ST-CONES, CONE ST 19/26, BORO OF TUBE 10 MM
ODS-HYPERSIL-2 5UM 250X10MM PREP COLUMN
CAPCELL PAK MF Ph-1 4.6X100
七水砷酸氢二钠
9.5mm低流失进样隔垫(红色) 350 ℃