Method for preparing a solution of a rare-earth alkyl phosphate
AssigneeKorea Kumho Petrochemical Co., Ltd.
InventorsHyung Jae Lee, Ji Hyun Heo
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Abstract
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.
Claims20
A method of preparing a rare-earth alkyl phosphate solution, the method comprising:
- preparing an alkyl phosphate amine salt solution by reacting an organic amine with an alkyl phosphate in a first solvent;
- preparing a rare-earth metal salt solution by reacting a rare-earth metal oxide with an acid in a second solvent;
- and
- mixing and reacting the alkyl phosphate amine salt solution with the rare-earth metal salt solution.
A method of preparing a rare-earth alkyl phosphate solution, comprising:
- preparing an alkyl phosphate amine salt solution by reacting an organic amine with an alkyl phosphate in a solvent;
- and
- mixing and reacting the alkyl phosphate amine salt solution with a rare-earth metal salt.
Dependencies are inferred from the claim text.