Negative ion composition and sulfuric acid vapour in the upper stratosphere
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The nature of negative ions in the altitude region 42-45 km has been investigated by means of a balloon borne mass spectrometer. Apart from the NO3 - and HSO4 - clusters, ions with different cores, which can be identified as CO3 -, HCO3 -, Cl- and ClO3 - were observed. The spectra have been used to estimate the sulfuric acid number density at 45.2 and 42.3 km altitude.
CitationArijs, E.; Nevejans, D.; Ingels, J.; Frederick, P. (1983). Negative ion composition and sulfuric acid vapour in the upper stratosphere. , Planetary and Space Science, Vol. 31, Issue 12, 1459-1464, DOI: 10.1016/0032-0633(83)90019-3.