Sodium ion selective electrode and method of use

Details Sodium ion selective electrode and method of use Sodium ion selective electrode and method of use

1986-07-28

1987-11-24

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204418, 204435, G01N 2746

Patent

active

047087765

ABSTRACT:
An improved dry-operative ion-selective electrode for the determination of sodium ions in aqueous fluids includes a dried internal reference electrode, a dried reference layer and a sodium ion-selective membrane composed of a binder material. The reference layer contains a metal salt and a hydrophilic binder material, and is buffered to a pH of from about 4 to about 8 with a water-soluble, organic dicarboxylic acid. This electrode can be manufactured with significantly less waste and exhibits improved uniformity in performance.

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patent: 4476007 (1984-10-01), Toner et al.
patent: 4505800 (1985-03-01), Toner et al.
patent: 4571293 (1986-02-01), Seshimoto et al.
patent: 4608149 (1986-08-01), Daniel et al.

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