Reactions between aluminate ions and orthosilicic acid in dilute, alkaline to neutral solutions

Shin Ichiro Wada, Koji Wada

研究成果: ジャーナルへの寄稿記事

13 引用 (Scopus)

抄録

We studied the formation and polymerization of silicatoaluminate (SA) monomer ions in dilute, aqueous solutions of aluminate ions, orthosilicic acid, and sodium hydroxide by stepwise neutralization with hydrochloric acid. We inferred SA formation from the increase in the proportion of “monomer aluminum” and the decrease in removal of silicon and aluminum from the solution by polymerization, with increasing silicon-to-aluminum ratio. The products that were formed at 100 percent neutralization and retained on the Millipore filter were similar to allophane; they had silicon-to-aluminum ratios of 0.4 to 1.2 and appeared as hollow spheres with diameters of 30 to 50 angstroms, though there were some differences between them and allophane on the infrared spectra. The strong surface acidity of some products suggested that they contained four-fold coordinated aluminum.

元の言語英語
ページ(範囲)267-273
ページ数7
ジャーナルSoil Science
132
発行部数4
DOI
出版物ステータス出版済み - 1 1 1981

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aluminum
ions
silicon
ion
acids
acid
allophane
neutralization
polymerization
hydrochloric acid
sodium hydroxide
aqueous solutions
hydroxide
acidity
aqueous solution
sodium
fold
filter
product

All Science Journal Classification (ASJC) codes

  • Soil Science

これを引用

Reactions between aluminate ions and orthosilicic acid in dilute, alkaline to neutral solutions. / Wada, Shin Ichiro; Wada, Koji.

:: Soil Science, 巻 132, 番号 4, 01.01.1981, p. 267-273.

研究成果: ジャーナルへの寄稿記事

Wada, Shin Ichiro ; Wada, Koji. / Reactions between aluminate ions and orthosilicic acid in dilute, alkaline to neutral solutions. :: Soil Science. 1981 ; 巻 132, 番号 4. pp. 267-273.
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