Pedosphere 2(3): 193--200, 1992
ISSN 1002-0160/CN 32-1315/P
©1992 Soil Science Society of China
Published by Elsevier B.V. and Science Press
| Forms of Rare Earth Elements in Soils: Ⅱ. Differentiation of Rare Earth Elements |
| ZHU JIAN-GUO, XING GUANG-XI |
| LMCP, Institute of Soil Science, Academia Sinica, P. O. Box 821, Nanjing 210008 |
| ABSTRACT |
| The present paper deals mainly with the relationships between the distribution of rare earth elements (REE) in different forms in soils and the atomic number and with the odd-even phenomenon in the distribution of ionic lanthanides in soils. The enrichment tendency of light REE relative to heavy REE in soils was pointed out on the experimental results about the proportions of Ce-group and Y-group elements in different REE forms in soils. Meanwhile, the differentiation of Tm in different soil REE forms was compared and the reasons why Tm is enriched in soils were preliminarily discussed. |
| Key Words: |
| Citation: Zhu, J. G. and Xing, G. X. 1992. Forms of Rare Earth Elements in Soils: Ⅱ. Differentiation of Rare Earth Elements. Pedosphere. 2(3): 193-200. |
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