Use of catalytic currents of hydrogen evolution for the extractionvoltametric determination of rhodium and ruthenium in sulfide ores
The authors selected 8-mercaptoquinoline or Thioxine (tx) and its alkyl-substituted derivatives as reactants for the determination of ruthenium and rhodium in sulfide ores; they form complexes with the metal ions which can be extracted with naphthalene at elevated temperature. The model system used in the development of the procedure for the determination of ruthenium and rhodium consisted of a mixture of naphthalene with synthesized platinum thiooxinate and dimethylformamide (DMFA) dissolved in the melt. The supporting electrolyte show diffusion waves for the reduction of complexes of Rh(III), Ru(III), Ir(III), Os(III), Pd(II), and Pt(II) at potentials close to those obtained in the reduction in pure DMFA. The proposed method can be used to analyze sulfide ores containing ruthenium and rhodium without separation of the base in the presence of many platinum and noble metals.
- Research Organization:
- V.I. Ul'yanov-Lenin Kazan' State Univ
- OSTI ID:
- 5498155
- Journal Information:
- Ind. Lab. (Engl. Transl.); (United States), Journal Name: Ind. Lab. (Engl. Transl.); (United States) Vol. 51:8; ISSN INDLA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Electrolytic determination of ruthenium(VI) with 8-mercaptoquinoline
Voltammetric determination of zirconium(IV) and hafnium(IV)
Related Subjects
400102* -- Chemical & Spectral Procedures
AMIDES
AROMATICS
AZAARENES
AZINES
CHEMICAL ANALYSIS
COMPLEXES
COMPLEXOMETRY
CONDENSED AROMATICS
ELEMENTS
EXTRACTION
FORMAMIDE
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
IRIDIUM COMPLEXES
METALS
MINERALS
NAPHTHALENE
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OSMIUM COMPLEXES
PALLADIUM COMPLEXES
PLATINUM COMPLEXES
PLATINUM METALS
PYRIDINES
QUANTITATIVE CHEMICAL ANALYSIS
QUINOLINES
RHODIUM
RHODIUM COMPLEXES
RUTHENIUM
RUTHENIUM COMPLEXES
SEPARATION PROCESSES
SOLVENT EXTRACTION
SULFIDE MINERALS
TRANSITION ELEMENT COMPLEXES
TRANSITION ELEMENTS
VOLTAMETRY