Synthesis of aluminum rich MCM-41
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The synthesis of MCM-41 mesoporous compounds with Si/Al ratios as low as 2 without observing the presence of octahedral Al in27AlMAS NMR is reported. FTIR spectra of chemisorbed pyridine indicated that MCM-41 materials in their protonated form exhibit both Brønsted and Lewis acid sites. © 1995 J.C. Baltzer AG, Science Publishers.
author list (cited authors)
Borade, R. B., & Clearfield, A.