The NO3-HNO3 reagent ion was used for the majority of the measurements. At temperatures below 350 K the SO3 decays were exponential, as expected for a first-order process, and as observed previously
The NO3-HNO3 reagent ion was used for the majority of themeasurements. At temperatures below 350 K the SO3 decayswere exponential, as expected for a first-order process, and asobserved previously