Hexafluorotantalate-selective electrode

Journal Article · Wed Aug 20 04:00:00 EDT 1986 · J. Anal. Chem. USSR (Engl. Transl.); (United States)

OSTI ID:5795653

Semenova, I N; Zhukov, A F; Petrukhin, O M

The possibility has been shown of using tetraoctylammonium hexafluorotantalate as an electrode-active compound for a film-like (TaF/sub 6/)/sup -/-selective electrode. The influence of hydrofluoric and sulfuric acids on the electrode characteristic has been studied. The selectivity coefficients have been determined in 1 M HF solutions and in mixed fluoride-sulfate media. The possibility has been shown for the determination of the hexafluorotantalate ion using a (TaF/sub 6/)/sup -/-selective electrode in HF solutions, mixed fluoride-sulfate solutions, and also in the presence of niobium(V).

• Research Organization: D. I. Mendeleev Moscow Chemical Technology Institute, USSR
• OSTI ID: 5795653
• Journal Information: J. Anal. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Anal. Chem. USSR (Engl. Transl.); (United States) Vol. 41:3; ISSN JACUA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
ALKALI METAL COMPOUNDS
AMINES
AMMONIUM COMPOUNDS
CHEMICAL ANALYSIS
DISPERSIONS
ELECTRODES
ELECTROLYTES
ELECTROMOTIVE FORCE
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HYDROFLUORIC ACID
HYDROGEN COMPOUNDS
INORGANIC ACIDS
ION SELECTIVE ELECTRODE ANALYSIS
ION-SELECTIVE ELECTRODES
MATERIALS TESTING
MEMBRANES
MIXTURES
NIOBIUM COMPOUNDS
NIOBIUM FLUORIDES
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
POTASSIUM FLUORIDES
POTENTIOMETRY
PROCESS SOLUTIONS
QUATERNARY COMPOUNDS
REFRACTORY METAL COMPOUNDS
SENSITIVITY
SOLUTIONS
SULFURIC ACID
TANTALATES
TANTALUM COMPOUNDS
TANTALUM FLUORIDES
TESTING
TITRATION
TRANSITION ELEMENT COMPOUNDS