土壤中锗的形态提取和形态分布研究
STUDY ON FORM EXTRACTION OF GERMANIUM IN SOIL AND ITS FORM DISTRIBUTION
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摘要: 本文对不同类型土壤中锗的存在形态、形态分布和有效锗进行了研究.选择了合适的提取剂,建立了土壤中锗的形态连续提取方法.探讨了影响土壤中锗形态分布的因素.锗在土壤中主要以残渣态、酸可提态和有机结合态形式存在,土壤有机质能富集锗.此外,还试验了土壤有效锗与盆栽玉米吸收锗的相关性.Abstract: In this paper, The present form of Ge, form distribution of Ge and available Ge in different soil were studied. The suitable extractants of forms and available Ge were selected. The sequential extracting method of Ge forms was established. Factors affexting form distribution of Ge were discussed. Ge is present in soil mainly take the forms of residue, Ge extracted by acid and organic matter. Ge could be concentrated by organic matter of soil. Correlation between content of acailable Ge in soil and centent of Ge absorbed by maize is also tested.
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Key words:
- germanium /
- soil /
- form /
- extractant /
- available germanium
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