| 发明名称 |
METHOD FOR REMOVING RARE EARTH IMPURITIES FROM NICKEL-ELECTROPLATING SOLUTION |
| 摘要 |
A method for removing rare earth impurities from a nickel-electroplating solution by keeping a nickel-electroplating solution containing rare earth impurities and having pH of 4.0-5.1 at 60° C. or higher for a certain period of time, and then removing precipitate generated by the heating from the nickel-electroplating solution by sedimentation and/or filtration. |
| 申请公布号 |
US2016002815(A1) |
申请公布日期 |
2016.01.07 |
| 申请号 |
US201414771330 |
申请日期 |
2014.03.17 |
| 申请人 |
HITACHI METALS, LTD. |
发明人 |
KAMACHI Masanao |
| 分类号 |
C25D21/18;C25D21/06 |
主分类号 |
C25D21/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for removing rare earth impurities from a nickel-electroplating solution, comprising
keeping a nickel-electroplating solution containing rare earth impurities and having pH of 4.0-5.1 at 60° C. or higher for a certain period of time; and then removing a precipitate generated by said heating from said nickel-electroplating solution by sedimentation and/or filtration. |
| 地址 |
Tokyo JP |
