Filtern
Volltext vorhanden
- nein (1)
Erscheinungsjahr
- 2015 (1)
Dokumenttyp
- Wissenschaftlicher Artikel (1) (entfernen)
Sprache
- Englisch (1) (entfernen)
Gehört zur Bibliographie
- ja (1)
Schlagworte
- platinum (1) (entfernen)
Institut
- Institut für Chemie (1) (entfernen)
A series of three dialkyl phosphate resins with a Merrifield resin support was used to extract platinum from acidic media. In column operations total capacities of 85-130 mg/g were gained. The presence of palladium and rhodium results in the order: Pt(IV) > Pd(II) >> Rh(III). From a leach liquor gained from spent automotive catalysts metals forming anionic chloro complexes are co-extracted only to a small extent. However, in order to separate and enrich platinum a selective back-extraction can be done with a sodium thiocyanate solution. A second elution step with acidic thiourea leads to a mixed solution of palladium and rhodium.