diazotizationn.

Etymology: < diazotize v. + -ation suffix.Previous versions of the OED give the stress as: diˌazotiˈzation.

Chemistry.

The process of converting a compound or a group of atoms into a diazo or diazonium compound or group; esp. the conversion of an aromatic primary amine into a diazonium compound by the action of nitrous acid in ice-cold acid solution.

ΚΠ

1893 I. K. Funk et al. Standard Dict. Eng. Lang. I

1902 Chem. News 18 July 32/1 This compound, on diazotisation in acetic acid in presence of sulphuric or nitric acid, behaves normally, and forms a dinitrodiazonium salt.

1939 Thorpe's Dict. Appl. Chem. (ed. 4) III. 580/2 These diazo-derivatives are generally..prepared from aromatic amines, and the process..is termed diazotisation.

1949 N. G. Heatley in H. W. Florey et al. Antibiotics iii. 152 The nitrite content of each is then estimated photometrically by the diazotization of the p-aminobenzoic acid.

1963 A. J. Hall Student's Handbk. Textile Sci. iv. 179 A number of disperse dyes are of a type which contain amino (NH₂) groups capable of diazotisation.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2022).

单词	diazotization
释义	diazotizationn. Etymology: < diazotize v. + -ation suffix.Previous versions of the OED give the stress as: diˌazotiˈzation. Chemistry. The process of converting a compound or a group of atoms into a diazo or diazonium compound or group; esp. the conversion of an aromatic primary amine into a diazonium compound by the action of nitrous acid in ice-cold acid solution. ΚΠ 1893 I. K. Funk et al. Standard Dict. Eng. Lang. I 1902 Chem. News 18 July 32/1 This compound, on diazotisation in acetic acid in presence of sulphuric or nitric acid, behaves normally, and forms a dinitrodiazonium salt. 1939 Thorpe's Dict. Appl. Chem. (ed. 4) III. 580/2 These diazo-derivatives are generally..prepared from aromatic amines, and the process..is termed diazotisation. 1949 N. G. Heatley in H. W. Florey et al. Antibiotics iii. 152 The nitrite content of each is then estimated photometrically by the diazotization of the p-aminobenzoic acid. 1963 A. J. Hall Student's Handbk. Textile Sci. iv. 179 A number of disperse dyes are of a type which contain amino (NH₂) groups capable of diazotisation. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2022). < n.1893
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