Energy flows from producers to primary consumers, to secondary consumers, to tertiary consumers... Energy is lost between trophic levels in the form of heat through cell respiration, faeces, tissue loss and death. Some of this lost energy is used by detritivores and saprotrophs.
Methanol, acetone, and isopropanol belong to the first group. These substances were detected and proposed as alcoholism indicators in connection with congener alcohol analyses of blood samples from DWIs. Methanol, in particular, has been adopted as a powerful indicator of alcohol misuse.
Acetone (systematically named propanone) is the organic compound with the formula (CH 3) 2 CO. It is a colorless, volatile, flammable liquid, and is the simplest ketone. Acetone is miscible with water and serves as an important solvent in its own right, typically for cleaning purposes in the laboratory.About 6.7 million tonnes were produced worldwide in 2010, mainly for use as a solvent and production of methyl methacrylate and bisphenol A.It is a common building block in organic chemistry. Familiar household uses of acetone are as the active ingredient in nail polish remover and as paint thinner.n the laboratory, acetone is used as a polar, aprotic solvent in a variety of organic reactions, such as SN2 reactions. The use of acetone solvent is critical for the Jones oxidation. It does not form an azeotrope with water (see azeotrope (data)).