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香草酸甲酯
FitMax 聚四氟乙烯针头式滤器 25mm 0.45μm PTFE 100/pk
seripettor 泵组件, 25 ml, PC材质, 钢质升降弹簧
KECK ADAPTERS KA, COMPLETE, RED, FROM GLASS THREAD RD 14 TO HOSE CONNECTION PLASTIC 9 MM
DISTILLATION APPARATUS, FOR RECOVERING OF SOLVENTS, FLASK 1 L
TARGET 注射器 固定 聚四氟乙烯 针尖
金(Au)AAS标准溶液,1000mg/L溶于2% HCl
LL SOLITR.PT1000 PP SHAFT
GRAD.CYLINDER,TALL SHAPE,TPX,2000ML, CRYSTAL CLEAR
Membrane filters, ?: 47 mm, pore size 0,45 μm, white, plain, non-sterile, Mixed Cellulose Acetate (CA) Case = 100 pcs.