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Adjacent stage impurity ratio in rare earth countercurrent extraction process
CHENG Fuxiang 1;* ; WU Sheng 1;2 ; LIAO Chunsheng 1;2 ; YAN Chunhua 2 Research Institute of RE Co.; Ltd.; Beijing 100085; China; 2. Beijing National Laboratory for Molecular Sciences; State Key Laboratory of Rare Earth Materials Chemistry and Applications; PKU-HKU Joint Lab on Rare Earth Materials and Bioinorganic Chemistry; Peking University; Beijing 100871; China)
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