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A new gel-derived mesoporous gas sorption reference material: Supporting mercury intrusion data

A new gel-derived mesoporous gas sorption reference material: Supporting mercury intrusion data

Coleman, Nichola and Thomas, M.A. (2000) A new gel-derived mesoporous gas sorption reference material: Supporting mercury intrusion data. In: Proceedings of the Second Pacific Basin Conference. Adsorption Science and Technology, 10 . World Scientific Publishing, Singapore, pp. 608-612. ISBN 9810242638 ISSN 0263-6174

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Abstract

A new candidate surface area and pore volume reference material is proposed. A mesoporous gel-derived silica monolith has been investigated by nitrogen sorption and mercury intrusion porosimetry. Specific surface area (165.5 m(2)g(-1)), specific pore volume (0.986 cm(3)g(-1)) and mean pore radius (119 Angstrom) have been monitored for up to twelve months by nitrogen sorption. No significant changes occurred following either storage or repeated usage. The pore structure remained unaltered despite multiple mercury intrusion cycles up to high pressure. This remarkable stability and durability confers properties that compare favorably with those of commercially available reference materials. The primary advantage of the gel-silica monolith is the elimination of errors associated with powder sampling.

Item Type: Conference Proceedings
Title of Proceedings: Proceedings of the Second Pacific Basin Conference
Additional Information: Second Pacific Basin Conference, Brisbane, Australia, 14 – 18 May 2000
Uncontrolled Keywords: Mercury, Intrusion, Porosimetry
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Pharmaceutical, Chemical & Environmental Sciences
Last Modified: 17 Oct 2016 09:12
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/11807

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