First mass analysis of stratospheric negative ions

Details First mass analysis of stratospheric negative ions First mass analysis of stratospheric negative ions

Oct 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.275..521a&link_type=abstract

Nature, vol. 275, Oct. 12, 1978, p. 521, 522.

Computer Science

Sound

13

Balloon Sounding, Mass Spectroscopy, Stratosphere, Balloon-Borne Instruments, Hydrochloric Acid, Hydrogen Compounds, Iodides, Nitric Acid, Sulfuric Acid

Scientific paper

Preliminary results are presented in terms of observed mass numbers and tentative identifications for mass-spectrometric measurements of stratospheric negative ions. The measurements were made during three daytime flights of a balloon-borne mass-spectrometer probe to peak altitudes of 33.5, 35, and 37 km. The major ion masses are shown to cover the range from 125 to 295 amu; it is suggested that the high mass numbers probably indicate cluster ions consisting of a core ion and attached ligand molecules. NO3(-) is considered to be the favored core ion of stratospheric negative cluster ions. It is concluded that the observed negative ions are not hydrates, which have been assumed to dominate in the stratosphere. The favored candidates for the ligand molecules include HI, HNO3, HBr, HCl, and H2SO4.

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