Determination of barium,lanthanum, and cerium contents in soils by the X-ray radiometric method |
| |
| Authors: | A T Savichev Yu N Vodyanitskii |
| |
| Institution: | (1) Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackeho 1-3, 612 42 Brno, CZ, Czech Republic;(2) Department of Chemistry and Biochemistry, Mendel University of Agriculture and Forestry, Zemedelska 1, 613 00 Brno, CZ, Czech Republic;(3) Department of Animal Nutrition and Forage Production, Mendel University of Agriculture and Forestry, Zemedelska 1, 613 00 Brno, CZ, Czech Republic;(4) Department of Plant Biology, Faculty of Agronomy, Mendel University of Agriculture and Forestry, Zemedelska 1, 613 00 Brno, CZ, Czech Republic; |
| |
| Abstract: | A methodological approach for determining barium, lanthanum, and cerium contents with the use of an 241Am isotope source was suggested. The new method was applied for obtaining data on the geochemistry of Ba, La, and Ce in soils
of humid landscapes. The high content of La and Ce was determined in cryozems of the Kolyma Lowland. In alluvial soils of
Perm’, barium was identified in rhyzoconcretions in the form of barium sulfate of probably technogenic origin. In the gleyed
agrozem on the Mulyanka River floodplain, the redistribution of barium in the soil profile and its concentration in iron nodules
were detected. The contents of La and Ce in the fine earth of contaminated soils remained stable, and lanthanides were accumulated
in concretions: the coefficient of La accumulation was 3.5 and that of Ce was 6.9. The mean accumulation coefficients of the
elements in the studied soils were as follows: Ce (3.7) > Ba (3.0) > La (2.2). |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
