Diffusion measurement

Details Diffusion measurement Diffusion measurement

1987-11-03

1989-03-28

Levy, Stewart J.

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508

Patent

active

048153168

ABSTRACT:
The diffusibility or permeability of a sample of material (6) is determined by mounting the sample in the wall of a chamber (1), having an electrochemical gas sensor (4) fitted therein. If a differential pressure is applied across the sample, and output signals from the gas sensor are recorded at least two times, the signals and times can be processed to yield diffusibility or permeability values.

REFERENCES:
patent: 3286509 (1966-11-01), Gluckman et al.
patent: 3590634 (1971-07-01), Pasternak et al.
patent: 3604246 (1971-09-01), Toren

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