Potentiometric, ion-selective electrode

Details Potentiometric, ion-selective electrode Potentiometric, ion-selective electrode

2006-08-01

2006-08-01

Noguerola, Alex (Department: 1753)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S416000

Reexamination Certificate

active

07083709

ABSTRACT:
The invention relates to a potentiometric, ion-selective electrode for the measurement of cation concentration in a sample, which electrode is made of electrically conductive electrode material applied on an electrically insulating substrate using a thick-film technique and covered in the measurement area by an ion-sensitive membrane, preferably a liquid polymeric membrane. At least one water-soluble alkaline-earth metal salt is homogeneously dispersed in the electrode material. The water solubility of the alkaline-earth metal salt is preferably greater than 1×10−2μ/l, and lies preferably between 1×10−2and 1×10−1g/l.

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Entries beryllium, barium, strontium, and radium in Hawley's Condensed Chemical Dictionary, 14th Edition.
Pp. 164, 165, 448, 449, 169, 170, 528, 529, 516, 517 of the Handbook of Inorganic Chemicals, Pradyot Patnaik, McGraw-Hill, 2003.
Derwent abstract of DD 256210A (Meierhofer et al.).
Durselen, L.F.J., Oesterle, U., Schuppisser, S., Pham, H.V., Miyahara, Y., Morf, W.E., Simon, W. “New Solid-State Contact for Ion-Selective Liquid Membrane Electrodes”, Chimia 44 (1990), Nr. 6, 214-215.

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