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    The Wohlwill process involves electrolysis, in which an ingot of more than the Wohlwill process, although the Wohlwill process is more expensive, requires more equipment DELMER- Handbook on assaying and_refining_of_gold. The Wohlwill electrolytic Process • Operating temperature (60°C This process is a variant on the Wohlwill

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    Purification of Gold by Electrolysis. In the Wohlwill’s Electrolytic Process the anode consists of impure gold, 4 mm. thick, and the electrolyte is a solution of gold chloride, containing 25 to 30 grammes of gold per litre, and from 20 to 50 c.c. of concentrated hydrochloric acid

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    The Wohlwill process is an industrial-scale chemical procedure used to refine gold to the highest degree of purity (99.999%). The process was invented in 1874 by Emil Wohlwill. This electrochemical process involves using a cast gold ingot, often called a Doré bar, of 95%+ gold to serve as an anode.

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    The Moebius Process of Purification of Gold by Electrolysis is now in successful operation and is said to be specially suitable for refining copper bullion containing large proportions of silver and gold with small quantities of lead, platinum, and other metals, but is chiefly used in parting dore silver containing not more than 20 per 1,000 of

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