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How to extract rhodium gold from rhodium slag

     

How to extract rhodium gold from rhodium slag?

Rhodium slag is a substance composed of a mixture of platinum group metals and other metals. The component is rhodium, which is a rare metal and expensive. Rhodium slag is usually extracted from waste materials, so refining rhodium requires multiple steps of fine chemical treatment.

Here are some commonly used methods for extracting rhodium:

1. Hot water extraction method: This is a simple and effective method for extracting rhodium gold. Add rhodium slag to hot water, and then add sodium carbonate. This will cause the rhodium in the rhodium slag to dissolve in water. Then filter the water to remove impurities. Extract rhodium from water using chemicals.

2. Dissolution method: This method requires the use of strong acids, such as nitric acid or chloride acid, to dissolve the metals in rhodium slag. Then, rhodium is separated through reaction and precipitation. This method requires a certain level of chemical knowledge and skills, so it is recommended to operate it in a chemical laboratory.

3. Hydrogen reduction method: This method requires the use of hydrogen gas under high temperature and pressure to reduce rhodium in rhodium slag to metallic rhodium. This method requires certain skills and equipment, so it is only suitable for operation in chemical laboratories.

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