Combination pH/reference electrode with improved temperature res

Details Combination pH/reference electrode with improved temperature res Combination pH/reference electrode with improved temperature res

1986-01-31

1986-08-26

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204414, 204420, 204433, 324438, G01N 2730

Patent

active

046081488

ABSTRACT:
A combination pH/reference electrode is provided with the two electrochemical references being symetrically thermally insulated from the sensing membrane and being thermally adjacent each other. The portion of the pH fill buffer in contact with the inner surface of the sensing membrane is thermally insulated, as by KCl crystals, to rapidly equilibrate in temperatures with the sample solution.

REFERENCES:
patent: 2977293 (1957-03-01), Ingold
patent: 3103480 (1963-09-01), Watanabe et al.
patent: 3957612 (1976-05-01), Niedrach et al.
patent: 4012308 (1977-03-01), Jerrold-Jones et al.
patent: 4105509 (1978-08-01), Jungck
patent: 4282081 (1981-08-01), Arrance
patent: 4401548 (1983-08-01), Brezinski
patent: 4406766 (1983-09-01), MacDonald
patent: 4477330 (1984-10-01), Nielsen

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