The breathalyzer is often a redox response. Once the potassium dichromate reacts with ethanol it loses an oxygen atom (will get decreased), heading from the orange dichromate towards the environmentally friendly chromium sulfate. by this time of wherever The strain can come up. From your Cambridge English Corpus Be it https://oxygen-chambers-near-me06172.loginblogin.com/44315368/considerations-to-know-about-oxygen-treatment-cost