Premium
Silicon‐29 NMR study of the formation of monomethoxysilicic acid in methanolic alkaline silicate solutions
Author(s) -
SamadiMaybodi Abdolraouf,
Harris Robin K.,
Naser Azizi S.,
Kenwright Alan M.
Publication year - 2001
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.868
Subject(s) - chemistry , silicate , deprotonation , aqueous solution , methanol , silicon , equilibrium constant , nmr spectra database , inorganic chemistry , spectral line , organic chemistry , ion , physics , astronomy
Silicon‐29 NMR spectra were obtained for more than 20 aqueous alkaline silicate solutions containing methanol. A signal assigned to CH 3 OSi(OH) 3 or one of its deprotonated congeners was studied in detail for the first time for the solution conditions involved. Its appearance was monitored as a function of the solution compositions. The pseudo‐equilibrium constant for its formation is of the order of 0.65. Copyright © 2001 John Wiley & Sons, Ltd.