The Mechanism of Pseudomorphic Transformation of Spherical Silica Gel into MCM-41 Studied by PFG NMR Diffusometry

The Mechanism of Pseudomorphic Transformation of Spherical Silica Gel into MCM-41 Studied by PFG NMR Diffusometry

The pseudomorphic transformation of spherical silica gel (LiChrospher® Si 60) into MCM-41 was achieved by treatment at 383 K for 24 h with an aqueous solution of cetyltrimethylammonium hydroxide (CTAOH) instead of hexadecyltrimethylammonium bromide (CTABr) and NaOH. The degree of transformation was...

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Bibliographic Details
Main Authors: Roger Gläser, Rustem Valiullin, Muslim Dvoyashkin, Wolf-Dietrich Einicke, Dirk Enke
Format: Article
Language:English
Published: MDPI AG 2013-08-01
Series:Materials
Subjects:
pseudomorphic transformation
silica gel
LiChrospher® Si 60
MCM-41 spheres
PFG NMR
diffusion
Online Access:http://www.mdpi.com/1996-1944/6/9/3688

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