| 摘要 |
<p>The present invention relates to a method for purifying quaternary ammonium salt. The method for purifying quaternary ammonium salt comprises the step of dissolving quaternary ammonium salt in a halogen solvent and filtering the same. Or the method for purifying quaternary ammonium salt comprises the step of dissolving quaternary ammonium salt, which has been manufactured via a reaction between quaternary ammonium halide and the alkali metal salt of the A, in an organic solvent and filtering the same. Or disclosed is quaternary ammonium salt with high purity manufactured thereby.</p> |
