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Japanese

SOME PROBLEMS OF THE STANDARD OLFACTORY TEST USING A STRIP OF FILTRATION PAPER Fumiaki Motokizawa 1 pp.1019-1023
Published Date 1980/12/20
DOI https://doi.org/10.11477/mf.1492209185
  • Abstract
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 The methods of stimulus preparation (air dilution method and solvent dilution method) and stimulus delivery to the receptor (open system and closed system) were compared gas-chromatographi-cally and psychophysiologically.

 1) There was no linear relationship between the concentrations of the odorants in a solution and in air head space used in this study.

 2) When the subjects sniffed odor from an odor bag (closed system), the threshold concentration was different between in the solvent dilution method and in the air dilution method.

 3) The threshold concentration was distinctly lower in the closed system than in the open system (the subject sniffs odor from a filtration paper containing the odorant's solution).

 4) When the odors was presented with an ascending series of the concentration and a descending series, there was no significant difference in the threshold concentration between them.


Copyright © 1980, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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