| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for solvent-extracting gold, which increases an extracted amount throughout a year, and keeps the extracted amount. <P>SOLUTION: The method for solvent-extracting a metal comprises keeping a temperature of a DBC solvent at 25°C or higher, and improving a phase splitting property of a solution and the solvent to enhance the extraction capability. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
