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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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2021-11, Vol.57 (95), p.12804-12807
Hauptverfasser: Penrose, C, Steiner, P, Gladden, L F, Sederman, A J, York, A P E, Bentley, M, Mantle, M D
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container_end_page 12807
container_issue 95
container_start_page 12804
container_title Chemical communications (Cambridge, England)
container_volume 57
creator Penrose, C
Steiner, P
Gladden, L F
Sederman, A J
York, A P E
Bentley, M
Mantle, M D
description 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 .
doi_str_mv 10.1039/d1cc03959h
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title A simple liquid state 1 H NMR measurement to directly determine the surface hydroxyl density of porous silica
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