Coleman, Nichola and Hench, L. L. (2000) A gel-derived mesoporous silica reference material for surface analysis by gas sorption - 1. Textural features. Ceramics International, 26 (2). pp. 171-178. ISSN 0272-8842 (Print), 1873-3956 (Online) (doi:https://doi.org/10.1016/S0272-8842(99)00037-1)

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Abstract

Current interest in monolithic mesoporous matrices requiring carefully tailored architectures has dictated the requirement for a new generation of standard materials for textural analysis. Accordingly, the textural characteristics of a mesoporous gel-derived silica monolith have been investigated by nitrogen sorption. Specific surface area (165.5 +/- 1.5 m(2) g(-1)), specific pore volume (0.986 +/- 0.020 cm(3) g(-1)), average pore size (119.2 +/- 2.7 Angstrom) and distribution are reported. The properties of the mesoporous silica were found to compare favourably with those of commercially available certified reference materials for BET surface area and pore size analysis. The primary advantage of the gel-silica monolith in this application is the elimination of errors associated with powder sampling. (C) 2000 Elsevier Science Ltd and Techna S.r.l. All rights reserved.

Item Type:	Article
Uncontrolled Keywords:	Gas sorption, Gel-derived mesoporous silica, Reference materials for surface analysis
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science
Last Modified:	14 Oct 2016 09:28
URI:	http://gala.gre.ac.uk/id/eprint/11801

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