| 几种螯合剂对玉米吸收重金属的影响 |
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| 引用本文： | 王中强,龙翠玲,付宝龙,赵晶. 几种螯合剂对玉米吸收重金属的影响[J]. 贵州师范大学学报(自然科学版), 2009, 27(3): 40-43 |
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| 作者姓名： | 王中强 龙翠玲 付宝龙 赵晶 |
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| 作者单位： | 1. 贵州师范大学地理与环境科学学院,贵州,贵阳,550001
2. 绥芬河市环境保护局,黑龙江,绥芬河,157300 |
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| 基金项目： | 贵州省自然科学基金资助项目(黔科合J字(2007)2049号) |
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| 摘 要： | 针对黄棕壤的两种主要污染金属Cu、Pb,通过比较不同剂量的柠檬酸、EDTA与EDDS诱导玉米提取重金属Cu、Pb的效果进而选择合适的螯合剂和浓度,判定最优,为黄棕壤的原位或异位修复提供依据。EDDS活化Cu的能力与EDTA相当,EDTA活化Pb的能力强于EDDS,而柠檬酸远弱于前两者。综合试验结果,得出EDDS为本次试验筛选出的最优。
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| 关 键 词： | 重金属 植物修复 EDDS 玉米 |
Effects of several chelating agents on corn's absorbing heavy metal |
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| WANG Zhong-qiang,LONG Cui-ling,FU Bao-long,ZHAO Jing. Effects of several chelating agents on corn's absorbing heavy metal[J]. Journal of Guizhou Normal University(Natural Sciences), 2009, 27(3): 40-43 |
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| Authors: | WANG Zhong-qiang LONG Cui-ling FU Bao-long ZHAO Jing |
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| Affiliation: | 1.School of Geographic and Enviromental Sciences;Guizhou Normal University;Guiyang;Guizhou 550001;China;2.Suifenhe Environmental Protection Bureau;Suifenhe;Heilongjiang 157300;China |
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| Abstract: | The paper views two kinds of main polluted metals of Cu and Pb in yellow brown soil,through comparing the effects of different dosages of citric acid,EDTA and EDDS which extract heavy metals of Cu and Pb in corn.Appropriate chelating agents and concentrations are selected for the best to provide the repair basis for the yellow brown soil.The ability of EDDS activated Cu is similar to EDTA.The ability EDTA activates Pb is stronger than EDDS.The citric acid is far weaker than the two.Integrated experimental r... |
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| Keywords: | heavy metal phytoremediation EDDS corn |
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