土壤中重金属形态的化学分析综述
A review of fractionation of heavy metals in soils
查看参考文献43篇
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文摘
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土壤中重金属的赋存形态决定其在土壤中的迁移性、生物可利用性以及毒性.土壤中重金属形态的化学分析法是依据不同浸取能力的提取剂分别提取出与土壤颗粒有着不同结合力的化学形态并测定其浓度而建立起来的.文章对土壤重金属形态分析中选用的提取试剂以及分析流程进行了综述,比较了各种试剂和方法的优缺点.同时对形态分析的土壤样品的前处理方式进行了简要概述. |
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其他语种文摘
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The mobility, the bioavailability and the toxicity of heavy metals in the soil depend on their specific chemical forms and on their binding state. The fractionatfon of definition is based on the application of various selective chemical extractions to solubilise different fractions. The reagents used in the various schemes and the methods of separation of different species from soil matrix are discussed, with their advantages and disadvantages. The pretreatment method of soil required for carrying out speciation studies have also been mentioned. |
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来源
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中国环境监测
,2005,21(4):21-27 【扩展库】
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关键词
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土壤
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重金属
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形态
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形态分析
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地址
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中国科学院地球化学研究所, 环境地球化学国家重点实验室, 贵州, 贵阳, 550002
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1002-6002 |
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学科
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环境科学基础理论 |
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基金
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中国科学院知识创新工程重要方向项目
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文献收藏号
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CSCD:2024370
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43
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