Measuring and testing – Gas analysis – Moisture content or vapor pressure
Patent
1978-04-14
1979-08-07
Ciarlante, Anthony V.
Measuring and testing
Gas analysis
Moisture content or vapor pressure
G01N 3100
Patent
active
041633849
ABSTRACT:
The sensitivity to moisture of polystyrene sulfonate coatings on piezoelectric crystals in moisture detectors is unstable in the presence of acid gases. The sensitivity of these coated crystals can be stabilized by contacting the polymer with an acid gas.
REFERENCES:
patent: 3260104 (1966-07-01), King
patent: 3266291 (1966-08-01), King
patent: 3427864 (1969-02-01), King
patent: 3677066 (1972-07-01), King et al.
Ciarlante Anthony V.
E. I. Du Pont de Nemours and Company
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