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Золото сокращении с щавелевой кислотой-весь процесс

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** In this video i'll show the complete process for the reduction of gold from chloroauric acid using oxalic acid and pH adjustment. This process is used exclusively as a second refining step. Meaning, the initial Aqua Regia solution already contains high putiry gold that was refined once in to the area of 99-99.9%. Unlike The previous video (see li

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