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1000ml聚乙烯烧杯
超滤柱
Furalaxyl (free acid)标准品
外延管TygonMHSL2001
TWO STAGE CGA 590 SMART INDICATING &
3-氰基苯异氰酸酯
3-氨基-4-氯苯甲酸甲酯
Stoppers with folding skirt, type 23,7 mm, dimensions 21,2 x 24,4 mm, thermal restistance from -20 °C to +100 °C made of natural rubber Case = 10 pcs.
气相色谱柱,TG-1301MS 30m x 0.53mm x 0.50μm
通用液体比重计1.420-1.480/0.001 g/cm3