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BioSuite Q 10um 阴离子交换柱
o-Chlorobenzyl Bromide
11MM 螺口 密封垫 聚四氟乙烯/红色橡胶 1000/件
反,反-9,12-十八碳二烯酸-14,15,16,17,18-13C5,99 atom %13C5
Laboratory sieve, ?:200 mm, inside height: 25 mm, mesh 355μm, with wire gauze, temperature resistance up to 170°C, stainless steel
MTO-DOWEX M43 ANION EXCH,2.5KG
Spring stainless steel coiled .25 x .5in
Shodex KF-G Guard Column 保护柱
25%β、β’-氧二丙腈 on Chromosorb PAW 60/80
2-对氯苄基苯并咪唑