The effect of tetramethylammonium ions on the distribution of silicate species in the methanolic solutions

Isao Hasegawa; Sumio Sakka; Kazuyuki Kuroda; Chuzo Kato

doi:10.1016/0167-7322(87)80020-X

The effect of tetramethylammonium ions on the distribution of silicate species in the methanolic solutions

Isao Hasegawa, Sumio Sakka, Kazuyuki Kuroda, Chuzo Kato

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16 Citations (Scopus)

Abstract

The effect of the addition of tetramethylammonium ions on the distribution of silicate species in the methanolic solutions was studied by the trimethylsilylation technique. Tetramethylammonium ions affected silicate species formed in the hydrolysis of tetraethoxysilane, causing the singular formation of the cubic octameric silicate species in the methanolic solution. The recovery was higher in the methanolic solution than in the aqueous system. It was found that the presence of water was necessary for the singular formation, suggesting an interaction among silicate species, tetramethylammonium ions and water. It was also found that the formation of the cubic octamer started immediately after preparation of the solution.

Original language	English
Pages (from-to)	307-315
Number of pages	9
Journal	Journal of Molecular Liquids
Volume	34
Issue number	4
DOIs	https://doi.org/10.1016/0167-7322(87)80020-X
Publication status	Published - 1987

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ASJC Scopus subject areas

Physical and Theoretical Chemistry
Atomic and Molecular Physics, and Optics

Cite this

Hasegawa, I., Sakka, S., Kuroda, K., & Kato, C. (1987). The effect of tetramethylammonium ions on the distribution of silicate species in the methanolic solutions. Journal of Molecular Liquids, 34(4), 307-315. https://doi.org/10.1016/0167-7322(87)80020-X

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AU - Kato, Chuzo

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AB - The effect of the addition of tetramethylammonium ions on the distribution of silicate species in the methanolic solutions was studied by the trimethylsilylation technique. Tetramethylammonium ions affected silicate species formed in the hydrolysis of tetraethoxysilane, causing the singular formation of the cubic octameric silicate species in the methanolic solution. The recovery was higher in the methanolic solution than in the aqueous system. It was found that the presence of water was necessary for the singular formation, suggesting an interaction among silicate species, tetramethylammonium ions and water. It was also found that the formation of the cubic octamer started immediately after preparation of the solution.

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10.1016/0167-7322(87)80020-X