Mechanism of apparent salt absorption in ando soils

Shin Ichiro Wada

研究成果: ジャーナルへの寄稿記事

27 引用 (Scopus)

抄録

Determinations of Na+ and Cl retentions by silica, aluminum hydroxide and their mixtures were carried out to identify the mechanism of apparent salt absorption in ando soils which is defined as the simultaneous adsorption of a cation and the equivalent amount of anion without release of exchangeable ions. Neither the silica nor the aluminum hydroxide, alone, exhibited the apparent salt absorption phenomenon but their mixtures did. And the amounts of Na+ and CI retained by the mixtures were close to those expected from the negative and positive charge characteristics of the silica and the aluminum hydroxide, respectively. From these observations, it is concluded that the phenomenon of apparent salt absorption occurs when cations and anions are adsorbed separately on variable negative- and variable positive-charge sites, respectively.

元の言語英語
ページ(範囲)77-83
ページ数7
ジャーナルSoil Science and Plant Nutrition
30
発行部数1
DOI
出版物ステータス出版済み - 3 1984

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aluminum hydroxide
silica
hydroxide
aluminum
salt
salts
anions
anion
cations
cation
charge characteristics
soil
adsorption
ions
ion

All Science Journal Classification (ASJC) codes

  • Soil Science
  • Plant Science

これを引用

Mechanism of apparent salt absorption in ando soils. / Wada, Shin Ichiro.

:: Soil Science and Plant Nutrition, 巻 30, 番号 1, 03.1984, p. 77-83.

研究成果: ジャーナルへの寄稿記事

Wada, Shin Ichiro. / Mechanism of apparent salt absorption in ando soils. :: Soil Science and Plant Nutrition. 1984 ; 巻 30, 番号 1. pp. 77-83.
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AB - Determinations of Na+ and Cl− retentions by silica, aluminum hydroxide and their mixtures were carried out to identify the mechanism of apparent salt absorption in ando soils which is defined as the simultaneous adsorption of a cation and the equivalent amount of anion without release of exchangeable ions. Neither the silica nor the aluminum hydroxide, alone, exhibited the apparent salt absorption phenomenon but their mixtures did. And the amounts of Na+ and CI− retained by the mixtures were close to those expected from the negative and positive charge characteristics of the silica and the aluminum hydroxide, respectively. From these observations, it is concluded that the phenomenon of apparent salt absorption occurs when cations and anions are adsorbed separately on variable negative- and variable positive-charge sites, respectively.

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