Method for measuring the concentration of a combustible componen

Details Method for measuring the concentration of a combustible componen Method for measuring the concentration of a combustible componen

1983-03-16

1984-10-02

Kreitman, Stephen A.

Measuring and testing

Gas content of a liquid or a solid

By vibration

73 23, G01N 2712

Patent

active

044740514

ABSTRACT:
A method of measuring a combustible component in a liquid or gas employs a gas having a high oxygen content, instead of air or an inert gas, as the carrier gas to thereby improve drastically the scope and accuracy of measurement by a semicondutor gas sensor. The carrier gas having a high oxygen content is supplied into a combustible component sampler formed from a gas-permeable membrane and disposed in the liquid or gas to be tested so that the combustible component may be diffused into the carrier gas through the gas-permeable membrane. The carrier gas entraining the combustible component therein is introduced into a detector having a semiconductor gas sensor, in which the combustible component is detected, and its concentration is determined continuously or intermittently.

REFERENCES:
patent: 4257257 (1981-03-01), Dairaku et al.
patent: 4404284 (1983-09-01), Heider et al.

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