申请日期 | 2025-07-24 | 申请号 | US15805923 |
公开(公告)号 | US20180134818A1 | 公开(公告)日 | 2018-05-17 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | Korea Kumho Petrochemical Co Ltd | ||
简介 | Disclosed is a method of preparing a rare-earth alkyl phosphate solution, the method including step (a) of preparing an alkyl phosphate amine salt solution by reacting an organic amine with an alkyl phosphate in a first solvent; step (b) of preparing a rare-earth metal salt solution by reacting a rare-earth metal oxide with an acid in the second solvent; and step (c) of mixing and reacting the alkyl phosphate amine salt solution with the rare-earth metal salt solution. |
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