| 申请日期 | 2025-07-19 | 申请号 | WOJP14057136 |
| 公开（公告）号 | WO2014156767A1 | 公开（公告）日 | 2014-10-02 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | HITACHI METALS LTD | ||
| 简介 | This method for removing rare earth impurities in a nickel electroplating solution is characterized in that after a nickel electroplating solution with a pH of 4.0 to 5.1 and containing rare earth impurities, is maintained in a heated state for a fixed time at 60°C or above, precipitates precipitated by the heat are removed from the nickel electroplating solution by sedimentation and/or filtering. | ||
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