Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 769
hichremoves from it all moisture. The aluminium chloride is then gentlyheated by placing red-hot charcoal beneath it, so that any hydrochloricacid it may contain may be expelled. A long narrow porcelain tray, orboat, containing pieces of sodium, F, is then introduced into the tube ;and, the current… … Fig. 336. is reduced with a vivid glow. The aluminium is set free, and collects inthe tray with the double chloride of sodium and aluminium which is pro-duced by the reaction. The tray is removed and more strongly heated ina porcelain tube through which a current of hydrogen is passing, and…
Inventions
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