- color reactions
- • цветна реакция
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
Color reaction — In chemistry, a color reaction or colour reaction is a chemical reaction that is used to transform colorless chemical compounds into colored derivatives which can be detected visually or with the aid of a colorimeter. The concentration of a… … Wikipedia
Color — This article is about the perceptual property. For other uses, see Color (disambiguation). For usage of color on Wikipedia, see Wikipedia:Colors. Colored pencils Color or colour (see spelling differences) is the visual perceptual property… … Wikipedia
Color symbolism and psychology — For the physiological perception of color, see color and color vision. In art and anthropology, color symbolism refers to the use of color as a symbol throughout culture. Color psychology refers to investigating the effect of color on human… … Wikipedia
Wine color — Judging color is the first step in tasting a wine The color of wine is one of the most easily recognizable characteristics of wines. Color is also an element in wine tasting since heavy wines generally have a deeper color. The accessory… … Wikipedia
Desulfonylation reactions — are chemical reactions leading to the removal of a sulfonyl group from organic compounds. As the sulfonyl functional group is electron withdrawing, methods for cleaving the sulfur carbon bonds of sulfones are typically reductive in nature.… … Wikipedia
Homogeneous and heterogeneous reactions — Homogeneous reactions are chemical reactions in which the reactants are in the same phase, while heterogeneous reactions have reactants in two or more phases. Reactions that take place on the surface of a catalyst of a different phase are also… … Wikipedia
Dioxygen in biological reactions — Further information: Geological history of oxygen Dioxygen (O2) plays an important role in the energy metabolism of living organisms. Free oxygen is produced in the biosphere through photolysis (light driven oxidation and splitting) of water… … Wikipedia
Ethylene oxide — Oxirane redirects here. For oxiranes as a class of molecules, see epoxide. Ethylene oxide … Wikipedia
Melzer's reagent — (also known as Melzer s solution or informally as Melzer s) is a chemical reagent used by mycologists to assist with the identification of fungi. Contents 1 Composition 2 Reactions 3 History 4 References … Wikipedia
AutoAnalyzer — is an automated analyzer using a special flow technique named continuous flow analysis (CFA) first made by the Technicon Corporation. The instrument was invented 1957 by Leonard Skeggs, PhD and commercialized by Jack Whitehead s Technicon… … Wikipedia
Reagent — A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances. * * * Any substance added to a solution of another substance to participate in a chemical reaction. [Mod. L. reagens] amino acid r. a r. used in… … Medical dictionary