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Solution to arsenic in gold mines

Solution to arsenic in gold mines Currently, there are three methods for extracting gold from arsenic-containing gold mines: 1. Pressure leaching method, which is generally divided into alkaline leaching under normal pressure and high-temperature pressure acid leaching: (1) Normal pressure…

Rapid electrolysis of 99.99% pure gold.

gold purification process

Rapid electrolysis of 99.99% pure gold.        By adjusting parameters such as current, voltage, and solution concentration, gold deposition and recovery can be achieved. The graphite electrode is mainly used as the anode to provide a stable electrolysis…

Sources and refining of high-purity iridium

Sources and refining of high-purity iridium I. There are many sources of iridium: recycling of iridium catalysts, recycling of radioactive medical device components, recycling of aerospace components, and high-precision instruments, containing iridium minerals; II. Purification of iridium: (1) Acid leaching:…

Extraction of low-grade gold-containing liquid

Small gold bars

Extraction of low-grade gold-containing liquid The process of electrolytic extraction of low-grade precious liquid containing gold is as follows: First, prepare an electrolytic cell and install a stainless steel anode and a metal cathode. Inject low-grade precious liquid containing gold…

Unique properties of tellurium (Te)

Unique properties of tellurium (Te) Density: about 6.24 g/cm³, heavy. Melting point: about 449.5°C, boiling point about 988°C. Appearance: silvery white to gray metal with luster. Reactivity: Tellurium is stable in air, but reacts with oxygentoform tellurium dioxide (TeO₂) at…

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