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O型圈
吡咯,99.0%(GC)
具有PTFE 头推杆的LC 手动进样针
BBNH
正十三醇
LiChroCART 125-4,LiChrospher 100 Si 10μm定制柱
GAS BELL,GRAD. 1000:10 ML,RESISTANT DIFFICO GRAD., COMPL. WITH JAR AND STOPCOCK, RUBBER STOPPER
12mL玻璃试管、16*100mm
Raman library of aldehydes and ketones
聚(4-苯乙烯磺酸-共聚-马来酸)钠盐