, Volume 47, Issue 2, pp 139-142
Date: 14 Feb 2011

Pb distribution in multistep bismuth refining products

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Abstract

Significant amounts of lead impurities have been removed from bismuth using a multistep refining process involving bismuth electrorefining in a hydrochloric acid solution, melting of a cathodic bismuth sponge, and pyrometallurgical processing of molten bismuth in an inert atmosphere. The Pb distribution between bismuth and the products forming in different refining steps has been studied.

Original Russian Text © Yu.V. Shevtsov, N.F. Beizel’, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 2, pp. 179–182.