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吡唑-3,5-二羧酸单水合物
铽(Tb)AAS标准溶液,1000mg/L溶于2% HCl
可高温高压灭菌的细口大瓶(带排水小管),聚丙烯;聚丙烯螺旋盖,20L容量
TARGET 螺口-钳口聚丙烯样品瓶
清洁水的欧盟水框架指令-A-质控样
FLASKS, ROUND BOTTOM, WIDE NECK, WITH BEADED RIM, NECK D.50 MM, 1000 ML, DURAN
ST-SOCKETS, PRECISO, ST 55/44 acc. to DIN 12249 FORM E, ?=60 MM, L=180 MM, W.TH.=3,2 MM
(易制爆)氯酸钠( )
STIRRER RODS
Laboratory sieve, ?:200 mm, inside height: 25 mm, mesh 40μm, with wire gauze, temperature resistance up to 170°C, stainless steel