The Civil War. The Civil War was the first war in American history in which a substantial proportion of the adult male population participated. Almost every American would have known friends, family members, or neighbors who marched off to war, many never to return.
Intoximeters introduces the first of the Alco SensorÂ® line of handheld breath alcohol analyzers. This line of handheld fuel cell instruments is the most prolific line of evidential grade alcohol breath test instruments made to date.
The biuret test is a chemical assay that detects the presence of proteins in a sample. The test relies on a color change to confirm the presence of proteins. If proteins are found, the sample will turn violet. Itâs a funny thing, but the biuret test doesn't involve the chemical biuret, which is derived from urea.