Surface Analysis of a Hydrothermally Tre
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Marschmeyer, Steffen; Papp, Helmut
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Article
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1997
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John Wiley and Sons
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English
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The external surface of a hydrothermally treated H-ZSM-5 zeolite was studied with XPS and x-ray Auger electron spectroscopy. It was established that Al removed from tetrahedral framework positions migrated into the outermost layers and produced an Al enrichment. In order to get information on the ac