Waclaw Kolodziejski , Joa˜o Rocha, Heyong He, Jacek Klinowski *
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High resolution solid-state1H nuclear magnetic resonance spectra of organic template in hydrated aluminophosphate VPI-5
A spin-lock pulse sequence has been used in solid-state1H NMR to suppress the dominant water signal and to observe, under magic-angle spinning, very narrow signals of di-n-propylamine template in the hydrated molecular sieve VPI-5. Results suggest that the technique can be extended to the study of other molecular sieves.