| 发明名称 |
A PROCESS FOR WORKING UP AMMONIACAL METAL SOLUTIONS |
| 摘要 |
<p>A process is disclosed for recycling loaded aqueous solutions, in particular etching solutions that contain ammonia, at least one ammonium salt and metal ions in the dissolved form, and that result from the treatment of substrates that contain valuable metals, in particular copper-containing electronic components.</p> |
| 申请公布号 |
CA2224322(A1) |
申请公布日期 |
1996.12.27 |
| 申请号 |
CA19962224322 |
申请日期 |
1996.06.03 |
| 申请人 |
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN |
发明人 |
SCHWAB, WERNER;KEHL, RALF |
| 分类号 |
C22B7/00;C22B3/26;C22B3/30;C22B15/00;C23F1/46;(IPC1-7):C23F1/46 |
主分类号 |
C22B7/00 |
| 代理机构 |
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代理人 |
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