In - office blood gas analyzers (eg VetStat, Element POC) can detect the acidity of your pet's blood. (2ndchance.info)
The test is done using a tail pipe gas analyzer while holding the RPMs between 2500 - 2800 for... (mechanics.stackexchange.com)
Using the ARM Aerial Facility's (AAF) Gulfstream - 159 (G - 1) research aircraft, the team will fly three possible flight paths between Prudhoe Bay, Oliktok Point, Barrow, Atqasuk, Ivotuk, and Toolik Lake measuring carbon dioxide, methane, and carbon monoxide — also known as trace gases — using two different types of gas analyzers and collecting air samples of trace gases with a 12 - flask sampler. (newscenter.lbl.gov)