diazonium salts
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Diazonium compound — Phenyldiazonium cation Diazonium compounds or diazonium salts are a group of organic compounds sharing a common functional group R N2+ X where R can be any organic residue such alkyl or aryl and X is an inorganic or organic anion such as a… … Wikipedia
diazonium salt — Chem. any of a group of salts of the general formula ArN2X, in which Ar represents an aryl group and X an anion, as benzenediazonium chloride, C6H5N(N)Cl, many of which are important intermediates in the manufacture of azo dyes. [1905 10] * * * ▪ … Universalium
diazonium — noun any univalent cation, of general formula R N; diazonium salts are used to manufacture azo dyes, and take part in the Sandmeyer reaction … Wiktionary
diazonium — noun Etymology: International Scientific Vocabulary di + az + onium Date: 1895 the monovalent cation N2+ that is composed of two nitrogen atoms united to carbon in an organic radical and that usually exists in salts used in the manufacture of azo … New Collegiate Dictionary
diazonium — di·a·zo·ni·um .dī ə zō nē əm n the monovalent cation N2+ that is composed of two nitrogen atoms united to carbon in an organic radical and that usu. exists in salts used in the manufacture of azo dyes … Medical dictionary
diazonium — noun the univalent cation R N:N (where R is an aromatic hydrocarbon); found in salts that are used in manufacturing azo dyes • Hypernyms: ↑cation … Useful english dictionary
diazonium salt — Chem. any of a group of salts of the general formula ArN2X, in which Ar represents an aryl group and X an anion, as benzenediazonium chloride, C6H5N(N)Cl, many of which are important intermediates in the manufacture of azo dyes. [1905 10] … Useful english dictionary
Amine — For other uses, see Amine (disambiguation). Primary amine Secondary amine Tertiary amine … Wikipedia
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
Salt — In medicine, salt usually refers to sodium chloride, table salt, used for seasoning food, for the preservation of meat, etc. Salt is found in the earth and in sea water and is isolated by evaporation and crystallization from sea water and other… … Medical dictionary
