Cotinine is the compound that is produced when the body metabolizes nicotine. Because nicotine is found almost exclusively in cigarette smoke, testing the body for cotinine levels is an accurate and dependable method for gauging a subject's exposure to secondhand smoke.otinine is the compound that is produced when the body metabolizes nicotine. Because nicotine is found almost exclusively in cigarette smoke, testing the body for cotinine levels is an accurate and dependable method for gauging a subject's exposure to secondhand smoke.
Linen fiber is a cellulosic fiber and cellulose is the principle element of linen. Followings are the chemical composition of linen fiber. Cellulose: 92%. Hemi-Cellulose: 2%. Lignin: 4%. Others: 2%. This is calculated in 100%. The fabric which is produced from the linen fiber that is comfortable to wear.
Fats and oils are composed of triglycerides; three molecules of fatty acids attach to a single molecule of glycerol. The alkaline solution, which is often called lye (although the term lye soap refers almost exclusively to soaps made with sodium hydroxide), brings about a chemical reaction known as saponification.he glycerin, a useful by-product, can remain in the soap product as a softening agent, or be isolated for other uses. Soaps are key components of most lubricating greases, which are usually emulsions of calcium soap or lithium soap and mineral oil.