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水中钴(5%硝酸)
气接头
锡(Sn)AAS标准溶液,1000mg/L溶于20% HCl
THERMOSTATIC-REACTION VESSEL, FLAT FLANGE WITH GROOVE, WITH DRAWAL VALVE, GRADUATED, CYLINDRICAL, ROUND BOTTOM, DN 150, 5000 ML, KF 15, VALVE 10 MM, OUTER ? 190 MM, INNER ? 150 MM, HEIGHT 46
Tetrafluorophthalic Anhydride
蜡样芽孢杆菌ATCC14579
SEPARATORY FUNNEL, SQUIBB, BOROS.GLASS DETACHABLE PTFE- STOPCOCK, 1000 ML, ST 29/32, BORE OF PLUG
红色PTFE聚硅氧烷隔垫,8mm(100只/包)
HyperSep SCX SPE Column, 50g, 150mL, 10个/包装
N-[7-(2-苯基)-苯 并恶唑烷基]三氟乙酰胺