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双酚B
DM-1 30m x 0.25mm x 1μm
聚酰胺粉100-200目(柱层析)
透明样品瓶 聚四氟乙烯 瓶盖
3-乙酰基-2,6-二氯吡啶
LiChroCART 150-4,6,Chirasep DNb G 5μm定制柱
5种阴离子混标,Cl/SO4/F/NO3(as N)/NO2(as N),500mg/L溶于2% HNO3
(R)-3-哌啶甲酸乙酯-L-酒石酸盐
WEIGHING BOTTLES TOP, UNGROUND, NS 60 MM, DURAN
SUPPORT RODS, WITH THREAD, L.1500 MM 12 MM DIA., ALUMINIUM