ION-SELECTIVE ELECTRODE FOR DEFINITION OF CONCENTRATION OF OXYGEN-CONTAINING IONS OF TUNGSTEN, MOLYBDENUM AND VANADIUM AND METHOD FOR MANUFACTURE OF ION-SELECTIVE ELECTRODE Russian patent published in 2009 - IPC G01N27/333

Abstract RU 2350940 C1

FIELD: physics, measurement.

SUBSTANCE: invention is related to ionometry and may be used for analysis of industrial and sewage waters of industrial enterprises to detect oxygen-containing ions of tungsten, molybdenum and vanadium. Ion-selective electrode for determination of concentration of oxygen-containing ions of tungsten, molybdenum and vanadium includes tubular hollow body from dielectric material and membrane connected to body. Membrane is arranged in the form of homogeneous, single-phase, amorphous film on the basis of polymer-salt composition, which contains water-soluble nonionic polymer and water-soluble oxygen-containing compound of appropriate metal. Water-soluble nonionic polymer that polymer-salt composition might contain is polyvinyl alcohol with molecular mass of 10000-20000 g/mole, and water-soluble oxygen-containing compounds of tungsten, molybdenum and vanadium are dodecatungstate, heptamolybdate and metavanadate of ammonium.

EFFECT: creation of ion-selective electrodes that are able to determine concentration of oxygen-containing ions of tungsten, molybdenum and vanadium in solutions.

13 cl, 5 dwg

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RU 2 350 940 C1

Authors

Ostroushko Aleksandr Aleksandrovich

Sennikov Mikhail Jur'Evich

Dates

2009-03-27—Published

2007-07-09—Filed