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![Knowing everything about breathalyzers is essential.](https://fortunetelleroracle.com/public/index.php/upload/media/posts/2022-02/11/knowing-everything-about-breathalyzers-is-essential_1644584431-b.jpg)
Breathalyzers (a portmanteau of breath and analyzer/analyser) are device that uses a breath sample to estimate blood alcohol concentration (BAC) or to identify viruses or diseases.
The first Breathalyzers included a mouthpiece and two liquid-filled chambers that were coupled to a metre that detected a colour change. The subject exhales via the mouthpiece into a test chamber filled with a reddish-orange potassium dichromate solution to utilise the Breathalyzer (K2Cr2O7).
Read more @ https://cmilatestinsights.blogspot.com/2022/02/all-you-need-to-know-about-breathalyzers.html