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How to refine rhodium precious metal

Rhodium is a valuable precious metal which is commonly used to make catalysts and electronic components. The following are the general steps for refining rhodium. First, the rhodium-containing ore or scrap is heated with hydrogen to a high temperature, usually…

A simple way to purify gold

1、Prepare electrolyte: use the gold dissolving equipment in the process of aqua regia method to prepare gold electrolyte, take 99.99% gold powder, add aqua regia, make it fully dissolved, after the dissolution is finished, filter the insoluble residue, the solution…

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