D.9 Breath alcohol testing devices (HL)

Understandings:
The presence of alcohol in a sample of breath can be detected through the use of either a redox reaction or a fuel cell type of breathalyser.
Applications and skills:
​Explanation of how alcohol can be detected with the use of a breathalyser.

[@lautaseutti]

Thanks man I appreciate the work!

[@MSJChem]

Jussi Sokkanen You’re welcome.