| 申请日期 | 2025-02-22 | 申请号 | JP2013245662 |
| 公开（公告）号 | JP6281261B2 | 公开（公告）日 | 2018-02-21 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | 日立金属株式会社 | ||
| 简介 | PROBLEM TO BE SOLVED : To provide a method to simply reduce a boron content of oxides of rare earth elements including boron.SOLUTION : Oxides of rare earth elements including boron are subjected to heat treatment with alkali metal carbonates and/or oxides. The heat treatment is preferably performed at 1150°C or more. | ||
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