Recovery of lanthanum from DIDYMIUM CHLORIDE (cas 11098-90-1) with Di(2-ethylhexyl)-phosphoric acid as solvent
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Add time:07/17/2019 Source:sciencedirect.com
Lanthanum of about 99·8 per cent purity was obtained from DIDYMIUM CHLORIDE (cas 11098-90-1) using two batch multistage countercurrent extraction cascades with 1 M D2EHPA as solvent. In the first cascade the La was concentrated in the raffinate, and in the second cascade the La was purified. The over-all recovery of La was 60 per cent. Batch tests showed that the solvent could be reused repeatedly with no loss in extracting power.
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