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李斯特氏菌显色平板9cm(2-8℃)
N-Ethyl-o-toluidine
3-甲氧基苯甲醇
4-戊基苯甲酸4-氰基苯酯
Safety burner, for butane gas, instant safety flame push botton ignition, powered by 1.5V battery
LiChroCART 250-4,6,LiChroprep 100 Si 25-40μm定制柱
滴定管PTFE活塞,2.5mm,ST 12.5
BIOBASIC 8 5UM 10X2.1MM DROP-IN GUARDS 4/PK
3000ml低形烧杯
镱(Yb)ICP-MS标准溶液,10000mg/L±0.3%溶于4% HNO3