Coleman, Nichola and Hench, L. L. (2000) A gel-derived mesoporous silica reference material for surface analysis by gas sorption - 2. Durability and stability. Ceramics International, 26 (2). pp. 179-186. ISSN 0272-8842 (Print), 1873-3956 (Online) (doi:10.1016/S0272-8842(99)00045-0)

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Abstract

The characterisation of novel mesoporous films, spheres, fibres and monoliths requires a new generation of standard materials for textural analysis. The textural characteristics of a mesoporous gel-derived silica monolith, investigated by nitrogen sorption are: specific surface area (165.5 +/- 1.5 m(2) g(-1)), specific pore volume (0.986 +/- 0.020 cm(3) g(-1)) and average pore size (119.2 +/- 2.7 Angstrom). The effects of storage and usage on the textural properties of the gel-silica have been monitored for up to 12 months by nitrogen sorption, Non-parametric statistical analysis indicated that no significant changes in textural features had occurred following either a year of storage or repeated usage. (C) 2000 Elsevier Science Ltd and Techna S.r.l. All rights reserved.

Item Type:	Article
Uncontrolled Keywords:	Gas sorption
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/11802

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