G - Physics – 01 – N
Patent
G - Physics
01
N
324/23
G01N 27/30 (2006.01) G01N 27/333 (2006.01)
Patent
CA 1275443
IMPROVED SODIUM ION SELECTIVE ELECTRODE AND METHOD OF USE Abstract of the Disclosure 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 mate- rial. 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.
519238
Roth Joseph A.
Smith Thomas A.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
Roth Joseph A.
Smith Thomas A.
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