Abstract
Lanthanum atoms occupy different sites in the crystal structure of dehydrated type Y zeolite as the temperature changes, probably because of the absence of residual molecules for bonding at 725° C compared with their presence at lower temperatures.
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SMITH, J., BENNETT, J. & FLANIGEN, E. Dehydrated Lanthanum-exchanged Type Y Zeolite. Nature 215, 241–244 (1967). https://doi.org/10.1038/215241a0
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DOI: https://doi.org/10.1038/215241a0
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