Silicon‐29 NMR study of the formation of monomethoxysilicic acid in methanolic alkaline silicate solutions | Zendy

SamadiMaybodi Abdolraouf | Zendy; Harris Robin K. | Zendy; Naser Azizi S. | Zendy; Kenwright Alan M. | Zendy

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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.

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