Abstract
IN two recent publications1,2 we have demonstrated a method for observing radicals by electron-spin resonance (ESR) a short time (∼1 ms) after their formation by photolysis. We report here the hyperfine spectrum of the benzophenone radical ion which was observed at very short times by two methods, one being the technique which we have already described1,2, and the other an improvement of a method used by Wilmshurst et al.3,4. We believe this to be the first report of a high-resolution ESR spectrum in other than steady state situations.
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References
Atkins, P. W., McLauchlan, K. A., and Simpson, A. F., Chem. Commun., 179 (1968).
Atkins, P. W., McLauchlan, K. A., and Simpson, A. F., Proc. Inst. Petrol., Brighton Conference (1968) (in the press).
Bennett, T. J., Smith, R. C., and Wilmshurst, T. H., Chem. Commun., 513 (1967).
Wilmshurst, T. H., Bennett, T. J., and Smith, R. C., Proc. Roy. Soc., A, 302, 305 (1968).
Ayscough, P. B., Electron Spin Resonance (Methuen, 1968).
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ATKINS, P., MCLAUCHLAN, K. & SIMPSON, A. High Resolution Transient ESR Spectra. Nature 219, 927–928 (1968). https://doi.org/10.1038/219927a0
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DOI: https://doi.org/10.1038/219927a0
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