Establishing a new methodology for determining the water absorbability of cellulose-derived materials via a vapor-monitoring headspace strategy

In this research, for the first time, we introduce a vapor-monitoring headspace strategy to establish a new methodology for determining the water absorbability of cellulose-derived materials. The method involves detecting the water in the gas phase from various cellulose-derived materials after achi...

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Bibliographic Details
Published in:Analytical methods 2024-04, Vol.16 (16), p.2444-2448
Main Authors: Gong, Yi-Xian, Xie, Wei-Qi
Format: Article
Language:English
Subjects:
Bound water
Cellulose
Headspace
Monitoring
Vapor phases
Vapor pressure
Vapour pressure
Water vapor
Water vapour
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Summary:In this research, for the first time, we introduce a vapor-monitoring headspace strategy to establish a new methodology for determining the water absorbability of cellulose-derived materials. The method involves detecting the water in the gas phase from various cellulose-derived materials after achieving the equilibrium state. By utilizing the headspace technique to monitor the change in water vapor pressure from bound water to free water, a change point indicating the water absorbability can be identified through fitting procedures. The study showed that the newly-established method possesses high precision (relative standard deviation ≤2.92%) and accuracy (relative differences ≤5.74%) for water absorbability analysis. The present method emerges as a facile and reliable tool for measuring water absorbability, and the introduction of the vapor-monitoring headspace strategy is anticipated to inspire the development of a new type of analytical method.
ISSN:1759-9660
1759-9679
DOI:10.1039/d3ay02209a