Will hydrochloric acid and hydrogen peroxide dissolve gold?

Small Scale Refining of Jewelers Wastes by Roland Loewen pg. 175-176 C1995 wrote: Hydrogen Peroxide and hydrochloric acid will dissolve gold. This is used in several refineries. One refiner reported that the recovery of PGMs was much improved when hydrogen peroxide rather than nitric acid was the oxidizer.Click to see full answer. Considering this, what happens when you mix hydrogen peroxide and hydrochloric acid?The hydrochloric acid catalyzes an exothermic decomposition of hydrogen peroxide into oxygen and water. The accumulation of heat and non-condensable gas increases temperature and pressure in this reaction process always lead to runaway reaction and accident owing to inadvertent mixing.One may also ask, what does hydrochloric acid do to gold? Aqua regia is a mixture of nitric and hydrochloric acids. It takes its name from its ability to dissolve gold, which is sometimes referred to as the royal metal. Herein, does gold dissolve in hydrochloric acid? Aqua Regia While hydrochloric acid, by itself, will not react with or harm gold in any way, gold and other precious, non-reactive metals can be dissolved by a mixture of hydrochloric acid and nitric acid, in a three-to-one ratio by volume.Does hydrogen peroxide react with acid?Hydrogen peroxide is a much weaker base than water, but it can still form adducts with very strong acids.

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