Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Electrodeposition of Aluminum from a Solution of Aluminum Bromide in N,N-Dimethyl Aniline
Takeo HisanoToshio TerazawaIchiro TakeuchiShinzo InoharaHiroshi Ikeda
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1971 Volume 44 Issue 3 Pages 599-603

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Abstract

This paper will describe that metallic aluminum was deposited electrolytically from a solution of aluminum bromide in dimethyl aniline with a current efficiency of 95% or more under optimum conditions. The superposition of a sinusoidal alternating current (AC) on the electrolysis direct current (DC) affected the properties of coatings and the throwing power of solutions to a great extent. A smooth, white-bright, ductile, and adherent coating was obtained under such appropriate conditions as that the frequency of AC was 60 Hz, the AC to DC ratio of 2 to 3. Aluminum dissolved anodically, and it was deposited at the cathode. The freezing temperature-composition diagram indicated the occurrence of two stoichiometric molecular complexes, AlBr3·C6H5N(CH3)2 and AlBr3·2C6H5N(CH3)2, and the former was isolated.

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