The Combustion Reactions of a Pyrotechnic White Smoke Composition
Previous knowledge of the behavior of pyrotechnic white smoke compositions of the type zinc oxide-calcium silicide-hexachloroethane (HCE) has been empirical because of the technical difficulties of studying vigorous pyrotechnic reactions by classical methods. The development of modern techniques such as differential thermal analysis (DTA) has rendered it possible to undertake a study of the complex reactions which occur in pyrotechnic mixtures.
This paper deals with the pyrolysis of HCE and the identification of the reactions which occur between the principal constituents of this white smoke composition, taken in pairs and as a whole. The study is based on the use of DTA.
Throughout this script calcium silicide will be formulated as CaSi3, this corresponding to the approximate atomic ratio of its constituents.
This script discusses following areas in detail:
- Introduction
- Results
- Analytical
- Practical Considerations
- Conclusions
- References
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