High-Energy Oxygen Ions in Carbon Dioxide Mass Spectra

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MASS spectra of carbon dioxide have been recorded using a low accelerating voltage and magnetic scanning. Under these conditions, a variant of those due to Mohler et al. 1, ions with more than thermal energies will appear as satellite peaks in the spectra. The energies of the ions can then be derived from the separation of the peaks by the use of the mass spectrometer focusing equation.

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  1. 1

    Mohler, F. L., Dibeler, V. H., and Reese, R. M., J. Chem. Phys., 22, 394 (1954).

  2. 2

    Values taken from Field, F. H., and Franklin, J. L., “Electron Impact Phenomena” (Academic Press, New York).

  3. 3

    Ogryzlo, E. A., and Schiff, H. I., J. Chem. Phys., 27, 628 (1960).

  4. 4

    Newton, A. S., J. Chem. Phys., 20, 1330 (1952).

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HALL, R. High-Energy Oxygen Ions in Carbon Dioxide Mass Spectra. Nature 187, 683 (1960) doi:10.1038/187683b0

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