A simple liquid state 1 H NMR measurement to directly determine the surface hydroxyl density of porous silica

Silica is widely used in industrial applications and its performance is partially decided by its surface hydroxyl density . Here we report a quick, simple liquid H NMR method to determine using a benchtop H NMR spectrometer. The results show excellent agreement with the literature with an range from...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2021-11, Vol.57 (95), p.12804-12807
Main Authors: Penrose, C, Steiner, P, Gladden, L F, Sederman, A J, York, A P E, Bentley, M, Mantle, M D
Format: Article
Language:English
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Summary:Silica is widely used in industrial applications and its performance is partially decided by its surface hydroxyl density . Here we report a quick, simple liquid H NMR method to determine using a benchtop H NMR spectrometer. The results show excellent agreement with the literature with an range from 4.16 to 6.56 OH per nm .
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc03959h