G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/333 (2006.01) C25B 11/04 (2006.01)
Patent
CA 2466994
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 1x10 -2 g/l, and lies preferably between 1x10-2 and 1x10 -1 g/l.
Neuhold Christian
Ritter Christoph
Spichiger Ursula
Eidgenoessische Technische Hochschule Zuerich (eth)
F. Hoffmann-La Roche Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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