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Low temperature orthorhombic-monoclinic transition in as-synthesized MFI siliceous zeolites

✍ Scribed by J.M. Chezeau; L. Delmotte; T. Hasebe; N.B. Chanh

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 278 KB
Volume: 11
Category: Article
ISSN: 0144-2449
DOI: 10.1016/s0144-2449(05)80179-4

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✦ Synopsis

On cooling, an as-synthesized MFI siliceous zeolite presents a transition from orthorhombic to monoclinic form, at -175 K. This phase transition is evidenced by several techniques and is similar to that already known in calcined MFI zeolites.

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