Process for testing diffusivity, odor character and odor intensi

Details Process for testing diffusivity, odor character and odor intensi Process for testing diffusivity, odor character and odor intensi

1997-10-30

2000-04-18

Williams, Hezron

Measuring and testing

Gas analysis

Odor

73 3107, G01N 3100

Patent

active

060501294

ABSTRACT:
Described is a fragrance diffusion evaluation apparatus for testing the diffusivity, odor character and odor intensity of a fragrance material and a process for using same. The apparatus includes one or two hollow cylinders, each having a test sample suspended therein, devices for passing air through the inside of each of the cylinders and exit ports in each of the cylinders for the air flow where the intensity and aroma character are measured as a function of time and as a function of temperature. The sample is weighed initially and at time intervals, while the air is flowing through each of the cylinders at a fixed or variable rate.

REFERENCES:
patent: 4770027 (1988-09-01), Ehara et al.
patent: 4884435 (1989-12-01), Ehara
patent: 5369978 (1994-12-01), Mookherjee et al.

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