Adsorption of I- and IO3- onto 63 Japanese Soils.
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概要
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<I>Soil-solution distribution coefficients, K<SUB>d</SUB>s, of</I>I<SUP>-</SUP><I>and</I>IO<SUP>-</SUP><SUB>3</SUB><I>were measured by a batch method for 63 soil samples collected from upland fields, paddies, forests and open areas throughout Japan. The soil properties were also measured. The K<SUB>d</SUB>s for air-dried soils ranged widely from 0.07 to 262l kg<SUP>-1</SUP>for</I>I<SUP>-</SUP><I>and from 0.36 to 127l kg<SUP>-1</SUP> for</I>IO<SUP>-</SUP><SUB>3</SUB>.<I>The medians for</I>I<SUP>-</SUP><I>and</I>IO<SUP>-</SUP><SUB>3</SUB><I>were 6.25 and 6.481 kg<SUP>-1</SUP>, respectively. The K<SUB>d</SUB>s (both</I>I<SUP>-</SUP><I>and</I>IO<SUP>-</SUP><SUB>3</SUB>) <I>for Andosols, one of the most typical Japanese soils derived from deposits of volcanic ash, were higher than those for the other soils. The K<SUB>d</SUB>s for sandy samples were low. Relatively good correlations were found between K<SUB>d</SUB>s and active-</I>Al, <I>active-</I>Fe, <I>TOC, total-</I>N<I>and water content. The results indicated that</I>I<I>was adsorbed on the surfaces of sesquioxides of</I>Fe<I>and</I>A1, <I>noncrystalline silicates such as allophane, organic materials and complexes of metals with humus.</I>
- 社団法人 日本アイソトープ協会の論文
社団法人 日本アイソトープ協会 | 論文
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