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Identification of Solvent Extraction of Au(III) by Cyanex 272 from Hydrochloric Acid Solutions
Thi Nhan Hau Nguyen, Man Seung Lee
Korean J. Met. Mater. 2024;62(3):204-211.   Published online 2024 Feb 28
DOI: https://doi.org/10.3365/KJMM.2024.62.3.204

Abstract
Bis(2,4,4-trimethylpentyl)phosphinic acid (Cyanex 272) is known to selectively extract Au(III) from dilute to concentrated hydrochloric acid solutions. Therefore, Cyanex 272 can be employed in the separation of Au(III) from the hydrochloric acid leaching solutions of secondary resources containing gold metal. This work identified the extraction reaction of Au(III) by Cyanex..... More

                
Extraction Behavior of Hydrogen Ion by an Ionic Liquid Mixture of Aliquat 336 and Cyanex 272 in Chloride Solution
Minh Nhan Le, Seong Ho Son, Man Seung Lee
Korean J. Met. Mater. 2019;57(3):162-169.   Published online 2019 Feb 8
DOI: https://doi.org/10.3365/KJMM.2019.57.3.162

Abstract
During the extraction of metal ions from a weak acidic chloride solution by ionic liquids consisting of an organophosphorus extractant and Aliquat 336, the equilibrium pH is sometimes observed to be higher than the initial pH. To compare the hydrogen ion extraction behavior of tertiary and quaternary amines, Alamine 336,..... More

                   Web of Science 23  Crossref 21
Solvent Extraction of Tb(III) from Hydrochloric Acid Solution with Cyanex 272, Its Mixture and Ionic Liquid
염산용액에서 Cyanex 272 및 혼합용매와 이온성 액체에 의한 Tb(III)의 용매추출
Chang Geun Oh, Man Seung Lee
오창근, 이만승
Korean J. Met. Mater. 2018;56(12):870-877.   Published online 2018 Dec 5
DOI: https://doi.org/10.3365/KJMM.2018.56.12.870

Abstract
Cyanex 272 shows the highest separation factor for the rare earth elements from hydrochloric acid solution among the organophosporus acidic extractants, D2EHPA and PC 88A. Solvent extraction of Tb(III) from weak hydrochloric acid solution with an initial pH 3 to 6 was compared with Cyanex 272, its mixture with Alamine..... More

                   Crossref 10
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