• Aqua regia - Wikipedia

    Aqua regia dissolves gold, though neither constituent acid will do so alone, because, in combination, each acid performs a different task. Nitric acid is a powerful ...

  • Gold Refining Forum • V

    Details of Gold Drying process 8. Gold Refining Forum • View topic ... (Silver preferred) , 1 part Gold, Dissolved in hot dilute nitric acid.

  • Gold Parting using Nitric Acid

    The process of parting gold with nitric acid is old, and probably dates from the discovery of nitric acid itself; it is one of the simplest parting processes, and ...

  • How To Clean Gold with Nitric Acid

    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 ...

  • Gold extraction - Wikipedia

    Gold extraction refers to the processes required to extract gold ... Nitric acid or forced air oven oxidation can also be used to dissolve iron from the ...

  • Gold parting - Wikipedia

    However, nitric acid is not able to (fully) extract silver and other impurities from an alloy with a high content of ... Since nitric acid will not dissolve gold, ...