Adsorption of L-alanine monomer, dimer, trimer, tetramer and pentamer by some allophanes

被引：0
|
作者：
Hashizume, H [1 ]
Theng, BKG [1 ]
机构：
[1] Natl Inst Res Inorgan Mat, Tsukuba, Ibaraki 305, Japan
来源：
WATER-ROCK INTERACTION | 1998年
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D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We have determined the adsorption of mono-, di-, tri-, tetra- and penta-L-alanine by three allophanes with different Al/Si ratios: Kanuma (Al/Si=1.4), Kitakami (Al/Si=1.5), and Te Kuiti (Al/Si=1.6). The extent of adsorption was little influenced by the molecular weight of the amino acids. However, for a given alanine species adsorption tended to increase in the order Kanuma<Kitakami<Te Kuiti, that is, as the Al/Si ratio of the allophane increased. The same trend was previously observed for the adsorption of phosphate by allophanes.
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页码：105 / 107
页数：3
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