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A note on generalised time-lags

✍ Scribed by Richard Ash

Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 99 KB
Volume: 270
Category: Article
ISSN: 0376-7388
DOI: 10.1016/j.memsci.2005.07.002

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✦ Synopsis

Derivations of an expression for the generalised outgoing 'adsorption' time-lag pertaining to transport through a slab membrane made by [Rutherford and Do, Review of time lag permeation technique as a method for characterisation of porous media and membranes, Adsorption 3 (1997) 283] and by [Ash et al., Sorption and surface flow in graphitized carbon membranes. II. Time-lag and blind pore character, Proc. Roy. Soc. London, Ser. A, 304 (1968) 407] are not in agreement. Causes for the discrepancy are identified. Two extensions of the generalised procedure are given with particular attention being paid to L, the time-lag difference.

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