Mossbauer study of chemical transformations in soil samples during thermomagnetic measurements

被引：3
|
作者：
Kopcewicz, B.
Kopcewicz, M.
Jelenska, M.
Hasso-Agopsowicz, A.
机构：
[1] Polish Acad Sci, Inst Geophys, PL-01452 Warsaw, Poland
[2] Inst Elect Mat Technol, PL-01919 Warsaw, Poland
来源：
HYPERFINE INTERACTIONS | 2005年 / 166卷 / 1-4期
关键词：
soil annealing; soil pollution; soil susceptibility;
D O I：
10.1007/s10751-006-9332-3
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：
Mossbauer spectroscopy was used in order to identify iron oxides responsible for soil magnetism and for changes of the shape of the magnetic susceptibility curves obtained in the thermomagnetic measurements. The chemical composition of the soil samples was transformed due to the thermal treatment through dehydration/dehydroxylation and than oxidation/reduction process. The largest content of the magnetite has been observed for samples annealed up to T (a) = 700 degrees C, which indicates that conversion process occurred under reduction conditions.
引用
收藏
页码：631 / 636
页数：6
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