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Niobium pentachloride (20 g) was dissolved in methanol (25 cm3) and the solution diluted with more methanol (50 cm3) and reduced electrolytically under nitrogen, using a mercury-pool cathode with a current of 1A for 3 h. The solution volume was maintained by further additions of methanol.
ÇëÎÊÉÏÊömercury-pool cathodeÊÇʲô£¬ÄÜ·ñÌṩÏêϸµÄ×°ÖÃʾÒâͼ£¬»òÕßÕâÖÖ×°ÖÃÓеÃÂòÂð£¿Ð»Ð»£¡

[ Last edited by zhmiao119 on 2008-11-19 at 11:03 ]
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mercury-pool cathode = ¹¯²Ûµç¼«
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