Alcoholic breath simulation system

Details Alcoholic breath simulation system Alcoholic breath simulation system

1974-01-02

1976-04-06

Wolk, Morris O.

Chemistry: physical processes

Physical processes

Crystallization

23232R, 73422TC, G01N 122

Patent

active

039486044

ABSTRACT:
A simulated alcoholic breath sample is provided by circulating a known volume of a gas such as air or non-alcoholic breath over the outer surface of a container filled with ethyl alcohol and maintained at a given temperature, the container having a wall permeable by ethyl alcohol at a known permeation rate. Circulation of the volume of gas is continued until the gas has the desired alcohol concentration.

REFERENCES:
patent: 2824789 (1958-02-01), Borkenstein
patent: 2867511 (1959-01-01), Harger
patent: 3649199 (1972-03-01), Littlejohn
Anal. Chem., Vol. 42, pp. 871-876 (1970).

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