Method of and device for measuring water content

Details Method of and device for measuring water content Method of and device for measuring water content

1994-01-14

1996-04-02

McMahon, Timothy M.

Chemistry: analytical and immunological testing

Determination of water

436149, 422 8202, G01N 3318

Patent

active

055040098

ABSTRACT:
This invention consists in a device consisting of a vessel (1) containing chemical solution soluble in water, a sample room or sample itself (13), and electric conduction meter (3); and a method in which the chemical solution is brought into contact with the sample so as to absorb water adsorbed to the surface of the sample and then electric conductivity of the chemical solution is measured. By means of such a structure as above, water content having been adsorbed by the sample can be measured with high precision in a short, period of time.

REFERENCES:
patent: 3222292 (1965-12-01), Nadolski
patent: 3243674 (1966-03-01), Ebert
patent: 3354057 (1967-11-01), Klingelhoeffer
patent: 4975249 (1990-12-01), Elliot
"Trace Moisture Analysis in Specialty Gases", Ohmi et al, J. Electrochem. Soc. vol. 139, No. 9 Sep. 1992.
"Conductivity and Dissociation Eq. of Extremely Amhydrous Hydrogen Fluoride", Miki et al, Electrochem Soc. vol. 137, No. 3 Mar. 1990.
"New Techniques for Measurement in Said Surface", Ohmi et al Rev. Sci Instrum. 94(9) Sep. 1993 Does Not Qualify as Prior Art!.

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