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LiChrosorb?RP-18 (10 祄)
盖,聚丙烯,蓝色,28mm
过滤坩埚,30ml, Boro 3.3, 1 D 3
ADAPTOR RED 4MM SO/2MM PL
o-Ethoxycarbonylphenylboronic Acid
气其他
7-氯-6-氟-1-对氟苯基-1,4-二氢-4-氧代-3-喹啉羧酸
MAGNETIC STIRRING BARS, CYLINDRICAL, PTFE, O.D. 9,0 MM, LENGTH 60 MM
2%CARBOWAX-20M on chromosorb W AW-DMCS 80/100 mesh
净化管