Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent
1979-10-31
1981-12-01
Hunt, Brooks H.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
204195F, 204195M, 427123, 204290R, G01N 2726
Patent
active
043037402
ABSTRACT:
The invention relates to a new process for the preparation of highly accurate and stable silver-silver salt reference electrode. According to the invention a homogeneous mixture is formed from silver powder and a powdered silver salt, then a paste is prepared by blending the mixture with a liquid binding agent capable of adhering to metals, applying the paste onto the surface of an electrode base, allowing the paste to harden and then subjecting the electrode to a heat treatment between 100.degree. C. and 250.degree. C. In this latter step a porous silver-silver salt layer is formed on the metal base, which renders the electrode highly accurate and stable.
Ion selective measuring electrodes are prepared essentially in the same manner with the difference that silver is replaced partly or entirely by graphit.
REFERENCES:
patent: 3354069 (1967-11-01), Jerrold-Jones et al.
patent: 3446726 (1969-05-01), Pungor et al.
patent: 3607710 (1971-09-01), Farren et al.
patent: 3662745 (1972-05-01), Cosentino
patent: 3856649 (1974-12-01), Genshaw et al.
Petro Jozsef
Pungor Erno
Rakias Ferenc
Toth Klara
Hunt Brooks H.
Katona Gabriel P.
Magyar Tudomanyos Akademia
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