Method and reagent for determining the ethyl alcohol content of

Details Method and reagent for determining the ethyl alcohol content of Method and reagent for determining the ethyl alcohol content of

1977-04-29

1978-08-08

Reese, Robert M.

Chemistry: physical processes

Physical processes

Crystallization

252408, G01N 3122, G01N 3316

Patent

active

041054091

ABSTRACT:
The invention concerns a reagent for determining the ethyl alcohol content of a gas, particularly human breath, by means of a color reaction. This reagent consists of a mixture of iodine pentoxide, a colorless metal nitrate or concentrated nitric acid, and 75-98% sulphuric acid, the original white color 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.

REFERENCES:
patent: 2939768 (1960-06-01), Grosskopf et al.
patent: 3437449 (1969-04-01), Luckey

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