Alcohol retainer cartridge and method for using same

Details Alcohol retainer cartridge and method for using same Alcohol retainer cartridge and method for using same

G - Physics

01

N

150/12

G01N 31/22 (2006.01) G01N 31/06 (1980.01)

Patent

CA 1087971

ABSTRACT An alcohol retainer cartridge and method for using same are disclosed herein comprising calcium sulfate as an adsorbent for alcohol. The cartridge includes calcium sulfate contained with- in a tube between pieces of filter paper. At one end of the tube is a disc having a central aperture smaller than the in- terior of the tube, the disc resting against an inwardly ex- tending lip of the tube. A spring clip bearing against the interior wall of the tube retains the filter paper at the other end. A sample of the alcohol in a person's breath is obtained by passing an amount of the person's breath, preferably about 52 milliliters, through the calcium sulfate, preferably in the amount of about .5 grams. The alcohol is adsorbed by the calcium sulfate and may be subsequently assayed.

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