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LiChroCART 250-10,LiChrospher 300 WP RP-18 12 μm定制柱
5kg-1mg 砝码套装, OIML CLASS E2级别, 带NALVP证书
对硝基苯酚 ,>99.0% (GC)
3,5-二氯-4-吡啶酮-1-乙酸
Nickel 1,000 mg/L in 2% HNO3, 50 mL (Ni Metal)
HYPERSIL GOLD C8 3UM 30X1MM COLUMN
DURAN? super duty Erlenmeyer flask, narrow neck, with graduation, 2000 ml
锥型不分流衬管,ThermoQuest 8000 and Trace,5个/包
2-溴-2-苯基乙酰苯
5-羟基香草醛