Odor measuring apparatus

Details Odor measuring apparatus Odor measuring apparatus

2006-11-28

2006-11-28

Williams, Hezron (Department: 2856)

Measuring and testing

Gas analysis

Odor

C073S023200, C073S023410, C073S031060

Reexamination Certificate

active

07140230

ABSTRACT:
The present invention provides an odor measuring apparatus capable of assuredly detecting and evaluating such odors that cannot be detected by a measurement apparatus using conventional odor sensors. In an embodiment of the present invention, a gas sample to be measured is introduced into the column10of a gas chromatograph1to temporally separate it into odor components, which are then introduced into a mass spectrometer (MS)2and an odor discriminator3in parallel. The data processor51creates a chromatogram and/or a mass spectrum from the detection signals generated by the detector24of the MS2, and also calculates the similarity of each odor component to standard odors and/or the degree of contribution from the detection signals generated by the detection circuit33of the odor discriminator3. The processor51displays a similarity radar chart or similar graphic information on the display53, where each peak present on the chromatogram is associated with the information. Even if the odor to be measured is a mixed odor, the GC1temporally separates it into sample components, and each sample component can be assuredly and objectively detected by the odor discriminator3.

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Shimadzu, Solutions for Science, Analytical Instruments, Fragrance & Flavor Analyzer, (2-pages).
Gerstel, Global Analytical, Gerstelus.com, GC Autosampler, Multidimensional GC, off odor analysis (3-pages).

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