1931
DOI: 10.1021/ja01356a024
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Observations on the Rare Earths. Xxxvii. Electrolytic Preparation of Rare Earth Amalgams. 1. Preparation of Amalgams of Lanthanum and Neodymium

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Cited by 22 publications
(10 citation statements)
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“…As experimental evidence for the relatively high basicities of the oxides of these elements, one can cite the ease with which even the strongly ignited oxides of all but scandium dissolve in acids (66,79,250,263,285,305,416); dissolve in ammonium salt solutions with the liberation of ammonia (20,21,45,244,250,263,343); dissolve in aniline hydrochloride solutions (233); react with such hightemperature acids as ammonium salts (5,146,147,181,351,352,394,450), borax (31,154), metaphosphate (31), and alkali bisulfate (231,363) or pyrosulfate (11, 212); and absorb atmospheric carbon dioxide (114,250,263,278,285). To these can be added the comparatively high water solubilities and precipitation pH values of the hydrous oxides and hydroxides (64,65,74,167,222,297,327,361,389,398), the tendencies of at least some of the oxides to slake with water (244, 250, 278, 285), the absorption of carbon dioxide by hydrous lanthanum (12,...…”
Section: Introductionmentioning
confidence: 99%
“…As experimental evidence for the relatively high basicities of the oxides of these elements, one can cite the ease with which even the strongly ignited oxides of all but scandium dissolve in acids (66,79,250,263,285,305,416); dissolve in ammonium salt solutions with the liberation of ammonia (20,21,45,244,250,263,343); dissolve in aniline hydrochloride solutions (233); react with such hightemperature acids as ammonium salts (5,146,147,181,351,352,394,450), borax (31,154), metaphosphate (31), and alkali bisulfate (231,363) or pyrosulfate (11, 212); and absorb atmospheric carbon dioxide (114,250,263,278,285). To these can be added the comparatively high water solubilities and precipitation pH values of the hydrous oxides and hydroxides (64,65,74,167,222,297,327,361,389,398), the tendencies of at least some of the oxides to slake with water (244, 250, 278, 285), the absorption of carbon dioxide by hydrous lanthanum (12,...…”
Section: Introductionmentioning
confidence: 99%
“…This eliminates the electrolytic method of formation of both the metal and its amalgams in aqueous solutions. The amalgams have been prepared with a fair degree of success by the electrolysis of concentrated solutions of LaBr3-H20, LaCl3, or LaCl3-H20 in absolute ethyl alcohol (2,15,18). The amalgams employed in this investigation were prepared by two methods: (1) The necessary amounts of lanthanum and mercury to make 0.5 per cent, 1 per cent, 2 per cent, and 3 per cent amalgams were weighed out separately and put into a fused quartz flask.…”
Section: Methodsmentioning
confidence: 99%
“…However, this behavior seemed to have no effect on the composition of either the liquid or solid phase. (2) Electrolysis of a concentrated solution of LaBr3 • H20 in absolute ethyl alcohol, as recommended by Audrieth and coworkers (2,15,18), was the second method employed. A solution of 9 g. of LaBr3 • H20 in 25 cc.…”
Section: Methodsmentioning
confidence: 99%
“…Scandium, yttrium, and the lanthanides.--Like the alkali and alkaline earth metals, lanthanides are deposited from aqueous solutions as amalgams (81), although the process is unsatisfactory on account of heavy precipitation of basic salts on mercury surface. Better results are obtained with alcohol solutions, owing partly to lower stabilities of the alcoholates.…”
Section: Electrodeposition Of Metalsmentioning
confidence: 99%