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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

                
Separation of Pd(II) and Zn(II) by Solvent Extraction using Commercial Extractants from Hydrochloric Acid Leaching Solution of Cemented Pd from Spent Electroplating Solutions
도금폐액에 함유된 팔라듐의 아연치환물 염산침출액에서 상용화추출제를 이용한 용매추출로 팔라듐(II)과 아연(II)의 분리
Si Jeong Song, Viet Nhan Hoa Nguyen, Man Seung Lee
송시정, Viet Nhan Hoa Nguyen, 이만승
Korean J. Met. Mater. 2022;60(3):188-197.   Published online 2022 Feb 8
DOI: https://doi.org/10.3365/KJMM.2022.60.3.188

Abstract
The demand for palladium (Pd) has increased and this has made it necessary to recover pure Pd from diverse secondary resources. To recover the small amount of Pd(II) present in spent electroplating solutions, Pd(II) is concentrated by cementation with zinc metal. In this work, a hydrometallurgical process consisting of leaching..... More

                   Web of Science 5  Crossref 5
Solvent Extraction of Tungsten(VI) from Moderate Hydrochloric Acid Solutions with LIX 63
Hoai Thanh Truong, Yong Hwan Kim, Man Seung Lee
Korean J. Met. Mater. 2017;55(6):405-411.   Published online 2017 Jun 1
DOI: https://doi.org/10.3365/KJMM.2017.55.6.405

Abstract
The solvent extraction of tungsten(VI) from hydrochloric acid solutions using 5,8-diethyl- 7-hydroxydodecan-6-one oxime (LIX 63) was analyzed in solutions having an initial pH range from 2 to 5, by varying the concentration of metal and extractant. In our experimental range, the cationic exchange reaction as well as the solvation reaction..... More

       Crossref 5
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