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大体积进样针,1L
SINTERED DISCS, 70 MM DIAM. P 2
Tri-t-butylphosphonium Tetraphenylborate
过滤装置-115ml容量,低光滑的聚苯乙烯外壳;SFCA滤膜,孔径0.45um
FLASKS KJELDAHL, 500 ML, DURAN
大黄素纯度标准物质
Halowax 1013,10ng/ul 标准品
HIGH-VACUUM 90° VALVES NORMAG PASSAGE 0-10MM
环庚醇
Fitting with ferrule, ID=1,6mm, PTFE