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How is gold refined and purified?

Michael Thompson | 2023-06-07 13:40:28 | page views：1090
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Alexander Wright

Works at Facebook, Lives in Menlo Park. Graduated from Massachusetts Institute of Technology (MIT) with a degree in Computer Science.
Refining. Gold extracted by amalgamation or cyanidation contains a variety of impurities, including zinc, copper, silver, and iron. Two methods are commonly employed for purification: the Miller process and the Wohlwill process. ... The impure gold is therefore melted and gaseous chlorine is blown into the resulting liquid ...
2023-06-15 13:40:28
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Oliver White

QuesHub.com delivers expert answers and knowledge to you.
Refining. Gold extracted by amalgamation or cyanidation contains a variety of impurities, including zinc, copper, silver, and iron. Two methods are commonly employed for purification: the Miller process and the Wohlwill process. ... The impure gold is therefore melted and gaseous chlorine is blown into the resulting liquid ...
Gold processing | Britannica.com
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