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Physisorption methods as routine tools for the characterization of micro- and mesopores of new materials have been explored. Crystalline zeolite structures of Na-Y and Na-ZSM-5, amorphous microporous mixed oxides, mesoporous SiO 2 and MCM-41 materials have been investigated and tested by a variety of methods to differentiate between meso- and microporous structures. Problems encountered with...
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