Опубликовано в "Бизнес, Бизнес", язык - English. 4 страниц.
Hydrogen peroxide is used in the mining industry for the extraction of precious metals such as gold, platinum, and palladium.Gold extraction from natural sources, including gold rocks and gold ores, can be done by leaching the gold concentrate or crushed gold rocks, in a solution of hydrogen peroxide and hydrochloric acid. Еще
