Silver raw materials
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- Country of manufactureKazakhstan
Description
Silver raw materials
The chemical way of a refining is seldom used in the industry and applied, generally in laboratory practice.
- Dry chloride of silver mixes up with an equal weight of a carbonate of sodium and mix is slowly heated in a crucible to melting. Upon termination of reaction the melted silver at the bottom gathers.
- Add zinc, iron or aluminum to chloride of silver. 20% sulfuric or hydrochloric acid before the termination of release of hydrogen are gradually added to mix. The received gray powder is washed out, dried and melted.
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Silver raw materials
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