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| 土壤和沉积物中重金属生物可利用性的评估 | |
| 引用本文： | 王畅,郭鹏然,陈杭亭,舒永红.土壤和沉积物中重金属生物可利用性的评估[J].岩矿测试,2009,28(2):108-112. |
| 作者姓名： | 王畅 郭鹏然 陈杭亭 舒永红 |
| 作者单位： | 1. 中国广州分析测试中心,广东,广州,510070 2. 中国广州分析测试中心,广东,广州,510070;中山大学环境科学与工程学院,广东,广州,510275 3. 中国科学院长春应用化学研究所国家电化学和光谱研究分析中心,吉林,长春,130022 |
| 摘 要： | 土壤和沉积物中重金属被植物吸收利用可通过单一化学萃取方法评估。几种重金属生物可利用态的萃取方法被用于土壤和沉积物中重金属的提取。根据实验萃取结果和文献报道,对中性盐、弱酸、螯合剂和联合萃取法进行评价,对影响生物可利用态萃取方法的因素进行讨论,并对土壤和沉积物中重金属生物可利用性评价方法的建立和有效统一使用提出建议。 |
| 关 键 词： | 土壤 沉积物 重金属 生物可利用性 单一萃取 |
| 收稿时间： | 2008/8/18 0:00:00 |
| 修稿时间： | 2008/10/23 0:00:00 |
Evaluation of Bioavailability of Heavy Metals in Soils and Sediments |
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| WANG Chang,GUO Peng-ran,CHEN Hang-ting and SHU Yong-hong.Evaluation of Bioavailability of Heavy Metals in Soils and Sediments[J].Rock and Mineral Analysis,2009,28(2):108-112. | |
| Authors: | WANG Chang GUO Peng-ran CHEN Hang-ting and SHU Yong-hong |
| Institution: | 1(1.Guangzhou National Analytical Center,Guangzhou 510070,China;2.School of Environmental Science and Engineering,Sun Yat-Sen University,Guangzhou 510275,China;3.National Analytical Research Center of Electrochemistry & Spectroscopy,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China) |
| Abstract: | The bioavailability of heavy metals (HM) in soils and sediments could be evaluated by single chemical extraction methods. Several single extraction methods were applied to estimate the bioavailable fractions of HM in soil and sediment samples. According to the results from single extraction experiments and reports in references, the extraction performances of single extraction methods for neutral salts, weak acids, chelated reagents and combinable reagents were evaluated respectively. The factors affecting the single extraction methods for bioavailable fraction extraction were also discussed. Some suggestions on establishing and effectively unifying the single extraction methods for bioavailability evaluation of HM were put forward. |
| Keywords: | soil sediment heavy metal bioavailability single extraction |
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