Abstract: | Upper limits of 4×10?20 and 7×10?20 cm3 molecule?1 s?1 were established for the gas-phase reactions of H2O2 with O3 and NO, respectively. These reactions are too slow to explain features observed in the atmospheric vertical profile of H2O2. © 1998 John Wiley & Sons, Inc. Int J Chem Kinet: 30: 707–709, 1998 |