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Study of the sorption and separation abilities of commercial solid-phase extraction (SPE) cartridge Oasis MAX towards Au(III), Pd(II), Pt(IV), and Rh(III)
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
2006 (English)In: Solvent extraction and ion exchange, ISSN 0736-6299, E-ISSN 1532-2262, Vol. 24, no 6, 931-942 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents a new, simple, and rapid procedure for the separation and preconcentration of Au, Pt, Pd, and Rh based on the adsorption of the metals on a commercial solid-phase extraction (SPE) cartridge, Oasis MAX, which contains a polymeric resin with quaternary ammonium substituents. Adsorption studies revealed that the metal affinity towards the adsorbent ranked according to Au >> Pd > Pt whereas Rh was not retained. The elution of the metals was accomplished by using 0.5 M thiourea in 1 M HCl solution. This sorbent effectively recovered Pd and Pt from a spent car catalyst sample containing large amounts of metals such as Al, Fe, and Ce.

Place, publisher, year, edition, pages
2006. Vol. 24, no 6, 931-942 p.
Keyword [en]
palladium, platinum, gold, Oasis MAX, auto catalysts
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-37591DOI: 10.1080/07366290600952733ISI: 000241484800008Scopus ID: 2-s2.0-33750350787OAI: oai:DiVA.org:kth-37591DiVA: diva2:434355
Available from: 2011-08-15 Created: 2011-08-15 Last updated: 2017-12-08Bibliographically approved

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