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Negative ions in air-like gas mixtures

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Summary

The nature of negative ions in an air-like gas mixture containing 300 ppm2) of carbon dioxide and 1 ppm of water has been investigated using a drift tube working at atmospheric pressure and interfaced with a quadrupole mass spectrometer. It was found that the most dominant ion under equilibrium conditions is CO4−·(H2O).

Zusammenfassung

Mittels einer Kombination eines Beweglichkeits-Spektrometers und eines Vierpol-Massenspektrometers, ersteres im Bereich des normalen Luftdrucks arbeitend, wurde die Natur der negativen Ionen in einer luftähnlichen Gasmischung untersucht. Die Gasmischung enthielt 300 ppm2) Kohlendioxid und 1 ppm Wasserdampf. Es wurde festgestellt, dass unter Gleichgewichts-bedingungen das vorherrschende Ion die Formel CO4−·(H2O) hat.

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Mohnen, V.A. Negative ions in air-like gas mixtures. PAGEOPH 100, 123–132 (1972). https://doi.org/10.1007/BF00880233

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  • DOI: https://doi.org/10.1007/BF00880233

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