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铅试剂
废水在高浓度下生化需氧量/化学需氧量-质控样
草酸二水合物
(2)2kg-1g 砝码套装, OIML CLASS F2级别,木盒包装
(一恒) BPHJS-250C高低温(交变)湿热试验箱 内胆尺寸W×D×H(mm):600×500×830
SYLICON CONICAL STOPPER - 60x43 mm, h 60 mm
VITLAB? micropipette -12,0,5 - 10 μl
隔垫(100只/包)
SPARE PLASTIC BASE, FOR RESERVOIR BOTTLE, 1000 ML
LuxPlate silica gel 60 F254 100 TLC Plates 2,5 x 7,5 cm twice as bright under UV light as compared