Determination of insoluble azides by thermometric titrimetry |
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| Authors: | Chagas A P Godinho O E Costa J L |
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| Affiliation: | Instituto di Química, Universidade Estadual de Campinas, C.P. 1170, 13100 Campinas, São Paulo, Brazil |
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| Abstract: | ![]()
A method for determination of azide, based on the thermometric titration of this anion with hydrochloric acid, is described. Although this reaction has a large enthalpy change (DeltaH = -3.6 kcal/ mole), sulphate is added as an endothermic thermometric indicator to improve the end-point. The application of the method to the analysis of insoluble azides has been studied. |
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