odorless sample Archives - Scentroid https://scentroid.com/wikiodour/tag/odorless-sample/ Future of Sensory Technology Sat, 01 Feb 2020 16:59:18 +0000 en-CA hourly 1 https://wordpress.org/?v=6.9 https://scentroid.com/wp-content/uploads/2019/11/cropped-photo-1531834685032-c34bf0d84c77-32x32.jpg odorless sample Archives - Scentroid https://scentroid.com/wikiodour/tag/odorless-sample/ 32 32 Dilution Factor https://scentroid.com/wikiodour/dilution-factor/ Fri, 10 Jan 2020 17:34:53 +0000 http://gator4044.temp.domains/~scentroid/?post_type=epkb_post_type_1&p=12040 A ratio of diluting neutral gas to odorous sample gas.

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A ratio of diluting neutral gas to odorous sample gas.  According to ASTM E679, this is a ratio of diluting gas to the odour sample. According to EN13725, this is a ratio of the sum of the diluting gas and odour sample, to the odour sample.  It is calculated based on the flow rate.

Example

5 parts of diluting air to 1 part of sample

ASTM E679:  Diluting gas/odourous sample = 5:1 = 5

EN 13725:  (diluting gas + odourous sample)/odourous sample = 6:1 = 6

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