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The acidic and sorption properties of Al containing MCM-41 molecular sieves in comparison with relevant FAU and MFI zeolites were investigated by n-hexane, benzene, acetonitrile, and water adsorption by means of microcalorimetry, isotherm measurements as well as FTIR and 1 H MAS NMR techniques, using acetonitrile or chloro-acetonitrile as probes. MCM-41 shows relatively weak Br nsted acidity,...
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