Abstract
ATMOSPHERIC negative ions have been identified previously by in situ mass spectrometric measurements only at altitudes above ∼70 km, which was the operational height limit of the rocket-borne instruments used1,2. These measurements revealed the presence of atomic, molecular and cluster ions mostly having masses between 35 and 152 AMU. Here we report preliminary results of the first mass spectrometric measurements of stratospheric negative ions. Only observed mass numbers will be presented. A detailed analysis of the ion abundances, will be published elsewhere.
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ARNOLD, F., HENSCHEN, G. First mass analysis of stratospheric negative ions. Nature 275, 521–522 (1978). https://doi.org/10.1038/275521a0
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DOI: https://doi.org/10.1038/275521a0
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