Abstract
High pressure Raman spectroscopy measurements in a diamond anvil cell (0–20 GPa) on HNO3-2-nitropropane mixtures are reported. These mixtures have been chosen as a model propellant, where neither component is explosive by itself. The high pressure decomposition of the mixture with oxygen balance (O.B.=0) has been observed and the recovered products analyzed and identified. The initiation of the chemical decomposition is correlated with he weakening of the NO bonds in the mixture. The study of a mixture at O.B.=0 with H15NO3 permitted us to determine the origin of the nitrogen formation and to suggest a chemical pathway.
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