Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/75351
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Type: Journal article
Title: Analysis of uncertainties in manometric gas-adsorption measurements II: Uncertainty in alpha S-analyses and pore volumes
Author: Badalyan, A.
Pendleton, P.
Citation: Journal of Colloid and Interface Science, 2008; 326(1):1-7
Publisher: Academic Press Inc Elsevier Science
Issue Date: 2008
ISSN: 0021-9797
1095-7103
Organisation: Institute for Mineral and Energy Resources
Statement of
Responsibility: 
A. Badalyan, P. Pendleton
Abstract: We describe procedures to propagate the uncertainty in adsorption data and alpha(S)-values to generate uncertainty in apparent primary, secondary, and total micropore volumes for porous activated carbons exhibiting Type I and IV character. The alpha(S)-data are interpolated from selected non-porous reference material (NPRM) adsorption isotherm data with some adsorbents exhibiting surface chemistry quite different from and some similar to that of the porous adsorbents (PA). We show that a statistically constant apparent total micropore volume can be determined independent of the NPRM surface chemistry. In contrast, NPRM surface chemistry appears to influence our ability to identify unequivocally the filling and condensation ranges of micropore filling, leading to statistically different apparent primary and secondary micropore volumes.
Keywords: Experimental uncertainty; Nitrogen adsorption; αS-Method; Micropore volume
Rights: © 2008 Elsevier Inc. All rights reserved.
RMID: 0020119682
DOI: 10.1016/j.jcis.2008.07.001
Appears in Collections:Institute for Mineral and Energy Resources publications

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