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Silver extraction and refining methods

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The extraction and refining of silver is mostly carried out in cyanide medium and sodium thiosulfate medium. There are not many studies on the extraction of silver in hydrochloric acid and nitric acid medium. 1. In hydrochloric acid medium, silver…

How is iridium extracted by wet method?

1. Alkali fusion separation: Mix the material evenly with a certain proportion of sodium hydroxide and sodium peroxide, and calcine at 800°C for 8-12 hours. After cooling, take it out and break it into pieces. Use water to leach the…

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