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Disolving Gold Ore With Hydrocloric Acid And Peroxide

2019-8-12gold refining forummobbyists and professionals helping one another 33 hydrochloric acid 52 water and add enough to cover your orend to use an orp meter to maintain 1,000 mv and to not go lower than 400 mv the reaction is complete when the voltage does not change when you add more hcl but read the webpage it has a moderate detail.

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