Direct Measurements of O-Atom Reactions with HCN and C2H2 Behind Shock Waves,
DUISBURG UNIV (GESAMTHOCHSCHULE) (GERMANY F R)
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High temperature reactions of O-atoms with HCN and C2H2 have been studied behind reflected shock waves in the temperature range 1500 K or T or 2600 K. The O-atoms were generated by the known fast decomposition of N2O. The time dependent behaviour of the O-atoms in the post shock reaction zone and the generation of H-atoms have been measured by resonance absorption spectroscopy ARAS. Because of the sensitivity of this experimental technique initial concentrations of reactants in the ppm region are sufficient.