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BIOBASIC SCX 5UM 50X0.32MM KAPPA COLUMN
2-氨基-5-溴苯乙酮
ODS-HYPERSIL-2 5UM 50X4.6MM COLUMN
CHROMATOGRAPHIC-COLUMNS W. RESERVOIR 1 000 ML, SOCKET ST 29/32, VALVE AND PTFE-VALVE PLUG, 40 X 60
p-Trifluoromethylphenyl Isocyanate
(分馏用)的聚丙烯针筒型前处理柱(luer lock) 2L型 (100ml)
HS F5 3UM 3.3CM X 3.0MM DISCOVERY HPLC&
废水中的酚类
结晶皿
鱼肉粉基质中呋喃西林代谢物(SEM)质控样