| 摘要 |
Provided is a technology which produces high purity gold using a simple method from a chloroauric acid solution. The present invention relates to a method of producing more than 99.99% of high purity gold by adding a reducing agent to the chloroauric acid solution using bivalent ferrous. A reduction is executed by controlling a liquid temperature of the chloroauric acid solution to 35-100°C. |
