| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an adsorbent comprising a chitosan derivative capable of efficiently recovering indium and gallium from waste discharged from electronic industry, discarded liquid crystal display panels, a residue of zinc refining, and the like. <P>SOLUTION: The adsorbent for adsorbing indium and gallium includes a chitosan derivative represented by formula (II). <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
