MOSSBAUER SPECTROSCOPIC CHARACTERIZATION OF IRON COMPOUNDS IN PADDY SOIL

被引：13

作者：

MATSUO, M ^{[1
]}

KOBAYASHI, T ^{[1
]}

TSURUMI, M ^{[1
]}

机构：

[1] TOKYO INST TECHNOL,DEPT ENVIRONM CHEM,MIDORI KU,YOKOHAMA,KANAGAWA 227,JAPAN

来源：

HYPERFINE INTERACTIONS | 1994年 / 84卷 / 1-4期

关键词：

D O I：

10.1007/BF02060705

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

Chemical states of iron and their vertical distribution in paddy soil, which was derived from weathered volcanic ashes, have been investigated by Fe-57 Mossbauer spectroscopy. The relative amount of paramagnetic Fe3+ has no dependence on depth, whereas that of magnetic Fe3+ decreases with an increase in depth. The paramagnetic Fe2+ can be divided into two fractions which show an opposite dependence on depth from each other. The depth profile of the iron components clearly reflects the chemical conditions characteristic of the paddy environment, and the origin of the iron components is also discussed.

引用

页码：533 / 537

页数：5

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