Abstract

ABSTRACT The study investigated the reactive dissolution of gas phase nitrogen-oxides and ozone in water. Mixtures with variable composition of nitrogen oxides were produced by mixing nitric oxide (NO) with ozone. Pure NO in Ar carrier gas resulted in the production of NO2 − but its production rate was limited by low NO solubility. The presence of NO2 in the gas increased the production of NO2 − while NO3 − was also produced. The presence of N2O5 in the gas abruptly increased the production of NO3 − due to higher solubility of N2O5. In the present configuration, about 8% of NO2 was dissolved in the water while for N2O5 the fraction was 78%.

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