Electric Smelting and Refining: The Extraction and Treatment of Metals by Means of the Electric CurrentCharles Griffin, 1897 - 416 Seiten |
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Seite 7
... surface area of the electrode re- maining constant , a point is soon reached at which the separa- tion of chromium sesquioxide is accompanied by a reduction of the metal , and at last is completely replaced by it . " To turn now to ...
... surface area of the electrode re- maining constant , a point is soon reached at which the separa- tion of chromium sesquioxide is accompanied by a reduction of the metal , and at last is completely replaced by it . " To turn now to ...
Seite 11
... surface remaining constant , the difference of potential in the bath may be reduced to any fixed limit by increasing the anode area . The current - density at the anode will thus be lower than that at the cathode . In the electrolysis ...
... surface remaining constant , the difference of potential in the bath may be reduced to any fixed limit by increasing the anode area . The current - density at the anode will thus be lower than that at the cathode . In the electrolysis ...
Seite 22
... surface . Instead of the iron ring e , a carbon plate may be used as cathode , and from this the globules of magnesium detach themselves more readily than they do from the former . By this method the reduction of magnesium may readily ...
... surface . Instead of the iron ring e , a carbon plate may be used as cathode , and from this the globules of magnesium detach themselves more readily than they do from the former . By this method the reduction of magnesium may readily ...
Seite 26
... without and the acid - gases within , the latter being always present above the surface of * F. Hiller , Lehrbuch der Chemie , 1863 . carnallite when it is melted in the presence of even 26 ELECTRIC SMELTING AND REFINING .
... without and the acid - gases within , the latter being always present above the surface of * F. Hiller , Lehrbuch der Chemie , 1863 . carnallite when it is melted in the presence of even 26 ELECTRIC SMELTING AND REFINING .
Seite 27
... surface , and there , aided by the furnace gases , it exerts a most destructive influence . This action may ... surfaces . The tendency of the melted salts to creep up the side of the crucible is completely pre- vented because , even if ...
... surface , and there , aided by the furnace gases , it exerts a most destructive influence . This action may ... surfaces . The tendency of the melted salts to creep up the side of the crucible is completely pre- vented because , even if ...
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Häufige Begriffe und Wortgruppen
alkaline alkaline earth metals alloy alumina aluminium aluminium fluoride amperes per sq anode antimony apparatus arrangement bath bismuth Borchers bottom calcined calcium carbon rods cathode cell cent cerium charge chemical chloride chromium compartment compounds conductor connection consists containing crucible cryolite cuprous current density cyanide decomposed deposited described dissolved dynamo electric current electrodes electrolyte electromotive force employed Engineering English Patent experiments extraction fluoride furnace fused German Patent gold grms heat hydrogen impurities insoluble iron latter lead liquid lithium magnesium material matte melting vessel mercury metal metallurgical method metre mixture nickel obtained operation oxide oxidised oxygen placed plant plates pole potassium practical precipitated production proportion pure quantity reduced refining residue reverberatory furnace roasted salts separated Siemens silver smelting sodium soluble solution specific gravity substances sufficient suitable sulphide sulphuric acid surface tank temperature tion treated treatment tube vats volts whilst wire zinc zinc sulphate
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Seite 29 - A POCKET-BOOK of ELECTRICAL RULES and TABLES For the Use of Electricians and Engineers.