gold extraction of nitric acid

  • How To Clean Gold with Nitric Acid

    https://

    Gold acts like a sponge and absorbs nitric acid. This enables the nitric acid to clean the gold, such as gold nuggets or free gold taken from black sands. Most gold

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    • Aziz Mikaeli Hamzeh Ghasem · Shahrzad Khoramnejadian
      Islamic Azad University
      Petrochemical · Phytochemistry · Inorganic chemistry · Supramolecular c…
  • CN102560126A - Method for extracting gold and/or

    https://patents.google.com/patent/CN102560126A/en

    The invention discloses a method for extracting gold and/or silver from sulfuric acid slag. The method comprises the following steps: performing multi-stage

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  • TFG

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    TFG – mining&construction

    TFG Mining and Construction Machinery Co., Ltd. is a hi-tech, engineering group. We are specialized in the research, development, and production of industrial crushing, powder grinding, mineral processing equipments and other related devices. Our products have been sold to 120 countries and areas of Southeast Asia, East Europe, South America, the Middle East and Africa etc, and more foreign markets will be promoted in future. [ more ]








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