Abstract
THE formation of negative ions by the surface ionization of gases on hot metallic filaments has been used as a means of determining electron affinities. In the method of Sutton and Mayer1, the total negative ion current and the total electron current were measured as functions of temperature, by means of a magnetron. This technique has been refined by Page2 and extended to more complex molecules3. In the absence of mass analysis, the process giving rise to the negative ions is postulated a priori and justified on the basis of reasonableness and internal consistency.
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References
Sutton, P. P., and Mayer, J. E., J. Chem. Phys., 2, 145 (1934).
Page, F. M., in “Free Radicals in Inorganic Chemistry”, Amer. Chem. Soc., Adv. Chem. Ser., No. 36, 68 (1962).
Page, F. M., Trans. Faraday Soc., 56, 1742 (1960).
Zandberg, E. Ya., and Ionov, N. I., Usp. Fiz. Nauk, 57, 581 (1959).
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HERRON, J., ROSENSTOCK, H. & SHIELDS, W. Negative Surface Ionization of Complex Molecules. Nature 206, 611 (1965). https://doi.org/10.1038/206611a0
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DOI: https://doi.org/10.1038/206611a0
