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In this paper, the results of the first high-field (B 0 = 17.6 T) 27 Al MAS n.m.r. measurement on zeolite MCM-22 are reported. The 29 Si and 27 Al MAS n.m.r. spectra of as-synthesized and dealuminated zeolite MCM-22 were interpreted by signals of framework silicon and aluminum atoms located on at least five crystallographically nonequivalent T sites...
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