EPR and 129Xe NMR Studies of Copper-Exchanged NaY Zeolites?

This work is supported partially by the National Science Council (NSC), R.O.C. (NSC83-0208-M001-092, SBL) and partially by National Science Foundation (CHE-9106499, T.S.L.). T.S.L. acknowledges the support of the NSC for a Visiting Professorship at IAMS. We thank Prof. T.-I. Ho and Mr. C.-H. Wang for technical assistance in using the EPR spectrometer.