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NOTES Acknowledgments. We wish to thank Dr. Z. Valenta of this department for suggesting this problem to us and for many valuable discussions. Financial assistance from the National Research Council of Canada and the Associated Alumni of the University of New Brunswick is gratefully acknowledged.
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(11) J. G. Calvert and J. N. Pitts. Jr., "Photochemistry," John Wiley and Sons, Inc., New York, N. Y.,1966. (12) H. Ishikaiva and Mr.A. Noyes, Jr., J. Chem. Phys., 37, 583 (1962).
(13) H. L. J. BLckstrom and K . Sandros, Acta C h e m Scand., 12, 823 (1958).
(14) H. L. J. BLckstrGm and I
