Reagent for determining the ethyl alcohol content of a gas

Details Reagent for determining the ethyl alcohol content of a gas Reagent for determining the ethyl alcohol content of a gas

G - Physics

01

N

150/12

G01N 31/22 (2006.01) G01N 33/48 (2006.01) G01N 33/98 (2006.01)

Patent

CA 1074677

Abstract of the Disclosure The invention concerns a reagent for determining the ethyl alcohol content of a gas, particularly human breath, by means of a colour reaction. This reagent consists of a mixture of iodine pentoxide, a colourless metal nitrate or concentrated nitric acid, and 75-98% sulphuric acid, the original white colour of the reagent changing to pink, brown or black depending on the ethyl alcohol content of the gas. In a preferred embodiment of the invention, the reagent is placed in a tube for use in connection with drunken driving.

277504

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