Heterogeneous membrane electrodes

Details Heterogeneous membrane electrodes Heterogeneous membrane electrodes

2006-08-22

2006-08-22

Noguerola, Alex (Department: 1753)

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

C204S435000

Reexamination Certificate

active

07094330

ABSTRACT:
The present invention relates to planar electrochemical sensors with membrane coatings used to perform chemical analyses. The object of this invention is to provide unit-use disposable sensors of very simple and economical construction, preferably with only a single membrane coating on an electrode. The invented devices are potentiometric salt-bridge reference electrodes constructed with a heterogeneous membrane coating of a conductor. The heterogeneous membrane is a formulation that concurrently supports non-volatile species transport through an electrolyte compartment and gas transport through a hydrophobic compartment.

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Matysik et al, “A Disposable Electrode Based on Zeolite-Polymer Membranes for Potentiometric Titrations of Ionic Surfactants”,Sens Actuators, B. Chem; Sensors and Actuators, B: Chemical, Jun. 20, 2002, vol. 85, No. 1-2, pp. 104-108, XP002271483.

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