Apparatus for assessing gas odor intensity

Details Apparatus for assessing gas odor intensity Apparatus for assessing gas odor intensity

1991-10-09

1992-09-22

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

422 83, 73 2331, 73 2334, G01N 3322, G01N 2700

Patent

active

051495040

ABSTRACT:
A method and apparatus for assessing the odor intensity of combustion gas produced from an internal combustion engine in which the odor intensity of combustion gas is obtained from the pH-value of an aqueous solution prepared from odor-producing substances, based on a predetermined relationship between pH-value and odor intensity. The odor intensity thus obtained strongly correlates with organoleptically evaluated odor intensity. Since the odor intensity of the gas is determined from the pH-value, the precision and the reliability of the odor intensity measurement are enhanced.

REFERENCES:
patent: 3114610 (1963-12-01), Gafford
P. L. Levins et al., "Chemical Analysis of Diesel Exhaust Odor Species", SAE Paper 740216, 1974, pp. 1-11.
Kato et al., "A method for measuring the odor intensity of exhaust gas from a diesel engine", Transactions of the society of Automotive Engineers of Japan, Oct. 1977, pp. 1-23.

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