FraserL. M.WinefordnerJ. D., Anal. Chem.43, 1693 (1971).
4.
FraserL. M.WinefordnerJ. D., Anal. Chem. in press.
5.
HatchN. N.OmenettoN.FraserL. M.WinefordnerJ. D., unpublished work.
6.
MitchellA. C. G.ZemanskyM. W., Resonance Radiation and Excited Atoms (University Press, Cambridge, 1961).
7.
PringsheimP., Fluorescence and Phosphorescence (Interscience Publishers, New York, 1949).
8.
According to BurhopMasseyGilbody (“Electronic and Ionic Impact Phenomena,” III, 1971), the donor and acceptor could be the same species, in which case the radiation arises through collisional excitation of different radiating states of the atoms in concern.9.
9.
AlkemadeC. T. J., Utrecht University, Utrecht, The Netherlands, personal communication (March, 1972).