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Electrodeposition of Aluminium from Baths Consisting of Aluminium Bromide and Low Volatile Organic Solvent

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近畿大学理工学部応用化学科 応用分析・制御化学研究室
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Abstract

Electrodeposition of Aluminium from Baths Consisting of Aluminium Bromide and Low Volatile Organic Solvent Electrodeposition of aluminium from fused salt baths. consisting of 3mol./L AlBr_3 and low volatilearomatic solvent such as tetrarine, mesitvlene and 1.2.4-trimethylbenzene, were studied. These baths are homogeneous liquid at ordinary temperatures. Anode efficiency for aluminium dissolution was 100% at most conditions, and cathode efficiency of 90% or more was obtained at appropriate conditions. Satisfactory deposits were Obtained from 3mol/L AlBr_3/mesitylene bath, with an addition of 0.1~0.5mol/L acetanilide. at 30~40℃ and at 10~20mA/cm^2.

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