Sensors for sulfur activity measurements

Details Sensors for sulfur activity measurements Sensors for sulfur activity measurements

1994-05-18

1995-11-07

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

2041531, 204400, 204421, 204429, 422 98, G01N 2726, G01N 27407

Patent

active

054645239

ABSTRACT:
A method and a sensor to measure the sulfur activity in sulfur-containing environments are disclosed. The active component is a non-stoichiometric metal sulfide foil or film. In the case of a thin sulfide film, a ceramic substrate is employed for improved mechanical rigidity. The electrical conductivity of the sulfide is related to the sulfur activity of the process stream to which it is exposed.

REFERENCES:
patent: 3437446 (1968-04-01), Pierce
patent: 3558280 (1971-01-01), Panson et al.
patent: 4406754 (1983-09-01), Narita et al.
patent: 4507643 (1985-03-01), Sunano et al.
patent: 4885929 (1989-12-01), Kasahara et al.
patent: 5082789 (1992-01-01), Morrison et al.
Noddack et al., "The Electrochemical Series of the Sulfides", Z. Electrochem., vol. 59, (1955), pp. 752-755.

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