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Integrating gas sorption with mercury porosimetry

Integrating gas sorption with mercury porosimetry
Integrating gas sorption with mercury porosimetry
Previous work has shown that it is possible to use integrated nitrogen sorption and mercury porosimetry experiments to determine the distribution of average pore length with pore diameter for mesoporous solids. In this work, the previous data analysis method has been generalised such that it is also suitable for application to samples with higher levels of mercury entrapment than before. This generalisation of the theory has facilitated the ability to use a series of progressively larger mercury scanning loops, in integrated gas sorption and porosimetry experiments, to potentially determine the full pore length distribution for pores of a given diameter, and the distribution of pore co-ordination number. The new analysis has been applied to a silica catalyst support.
network percolation, pore length distribution
0929-5607
201-206
Rigby, Sean P.
5b68dcfa-8939-486e-807b-bc137c763106
Watt-Smith, Matthew J.
c8c5b4b3-47d6-407a-9858-869c6663349d
Fletcher, Robin S.
d3b0580e-c04b-41a6-a873-44f2a8c32e46
Rigby, Sean P.
5b68dcfa-8939-486e-807b-bc137c763106
Watt-Smith, Matthew J.
c8c5b4b3-47d6-407a-9858-869c6663349d
Fletcher, Robin S.
d3b0580e-c04b-41a6-a873-44f2a8c32e46

Rigby, Sean P., Watt-Smith, Matthew J. and Fletcher, Robin S. (2005) Integrating gas sorption with mercury porosimetry. Adsorption, 11 (Supplement 1), 201-206. (doi:10.1007/s10450-005-5923-6). (Submitted)

Record type: Article

Abstract

Previous work has shown that it is possible to use integrated nitrogen sorption and mercury porosimetry experiments to determine the distribution of average pore length with pore diameter for mesoporous solids. In this work, the previous data analysis method has been generalised such that it is also suitable for application to samples with higher levels of mercury entrapment than before. This generalisation of the theory has facilitated the ability to use a series of progressively larger mercury scanning loops, in integrated gas sorption and porosimetry experiments, to potentially determine the full pore length distribution for pores of a given diameter, and the distribution of pore co-ordination number. The new analysis has been applied to a silica catalyst support.

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More information

Submitted date: 2005
Keywords: network percolation, pore length distribution
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 40770
URI: http://eprints.soton.ac.uk/id/eprint/40770
ISSN: 0929-5607
PURE UUID: 3a6cce18-fb6f-4658-92ba-56731d407a69

Catalogue record

Date deposited: 10 Jul 2006
Last modified: 15 Mar 2024 08:22

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Contributors

Author: Sean P. Rigby
Author: Matthew J. Watt-Smith
Author: Robin S. Fletcher

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