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Kolkata Aqua Regia Gold Refining Plant Set Up

The Aqua Regia process can produce gold of up to 99.99 percent purity. It is based on the fact that Aqua Regia a mixture of hydrochloric and nitric acids in a 4.5 1 ratio can dissolve gold into soluble gold chloride. ... On March 30 2017 Posted by kjhil In Glass Plant By aqua regia gold refining fumeless gold refining gold recovery gold ...

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