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https://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. |
DOI: | 10.1016/j.jcis.2008.07.001 |
Published version: | http://dx.doi.org/10.1016/j.jcis.2008.07.001 |
Appears in Collections: | Aurora harvest 4 Institute for Mineral and Energy Resources publications |
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