METHOD FOR COLLECTING RARE EARTH METALS USING MIXING AND EXTRACTING AGENT

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The present invention relates to a method for collecting rare earth metals, the method being capable of extracting praseodymium (Pr) and neodymium (Nd) from a hydrochloric acid solution containing the elements at excellent efficiency, and further improving separability of praseodymium and neodymium, of which separability is degraded due to similar chemical features therebetween.