A Re-examination of the Yields in the High Dose Rate Radiolysis of Gaseous Ammonia

Eyre and Smithies have recently obtained radical yields of in the radiolysis of gaseous ammonia. The consistency of these with N 2 , H 2 , and N 2 H 4 yields obtained in the high dose rate radiolysis of NH 3 and NH 3 -C 3 H6 mixtures has been shown by numerical integration of the rate expressions in a simple radical mechanism. These calculations give a value of 2.1 ± 0.5 × 10 10 M −1 s −1 for the reaction of H atoms and NH 2 radicals and a ratio of recombination to disproportionation of 6:1.