EPR Spectroscopy of Thermally Initiated Free Radicals in RDX.
NAVAL RESEARCH LAB WASHINGTON DC
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The explosive RDX exhibits EPR signals when heated to temperatures ranging from 120 C to 200 C. Neat RDX samples give intense EPR signals at 197 C. RDX dissolved into sulfolane gives intense EPR signals at 170 C and weaker signals detected as low as 120 C. A 0.1M solution of RDX in sulfolane gives an EPR spectrum at 170 C which is attributed to a nitroxide radical H2CNN022CH22N-0. A 1M solution of RDX in sulfolane at 170 C and a neat sample of RDX at 197C give an identical spectrum of a second radical.
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