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当前位置: 首页 > 文章 > Cr~(6+)污染土壤枸橼酸淋洗模拟废液对斑马鱼的毒性研究 扬州大学学报(农业与生命科学版) 2014,35 (3) 42-45+78
Position: Home > Articles > Study on the toxicity of waste liquid from soil contaminated by Cr~(6+) by citric acid washing on zebrafish(Brachydanio rerio) Journal of Yangzhou University(Agricultural and Life Science Edition) 2014,35 (3) 42-45+78

Cr~(6+)污染土壤枸橼酸淋洗模拟废液对斑马鱼的毒性研究

作  者：
陈诚;杨小令;蔡守华;王洁
单  位：
扬州大学水利与能源动力工程学院
关键词：
土壤淋洗;斑马鱼;Cr6+;枸橼酸;联合毒性;协同效应
摘  要：
在静水条件下,测定Cr6+和枸橼酸对斑马鱼的单一及联合毒性,并运用相加指数法对其联合毒性的类型进行评定。结果表明:Cr6+和枸橼酸对斑马鱼毒性表现为Cr6+中等毒性、枸橼酸低毒,96hLC50分别为66.73和126.12mg·L-1。Cr6+和枸橼酸联合毒性在毒性比为1∶1情况下,对斑马鱼的96hLC50分别为28.26和53.41mg·L-1,联合毒性结果为协同作用。结果提示在运用枸橼酸对Cr6+污染土壤进行淋洗时,应注意避免其协同作用对环境的影响。
译  名：
Study on the toxicity of waste liquid from soil contaminated by Cr~(6+) by citric acid washing on zebrafish(Brachydanio rerio)
作  者：
CHEN Cheng;YANG Xiaoling;CAI Shouhua;WANG Jie;Coll of Water Conserv and Energy Engin,Yangzhou Univ;
关键词：
soil washing;;Brachydanio rerio;;Cr6+;;citric acid;;joint toxicity;;synergistic effect
摘  要：
Single and joint toxicities of Cr6+and citric acid to Brachydanio rerio were measured by the static water test.The joint toxicity type of Cr6+and citric acid was assessed by the method of additional index(AI).The results of the single toxic tests indicated that Cr6+was middle toxicity and citric acid had low toxicity,the 96hLC50 of Cr6+and citric acid to B.rerio were respectively 66.73 and 126.12mg·L-1.The results of joint toxic test showed that the LC50 of Cr6+and citric acid in 96h(toxicity 1∶1)to B.rerio were respectively 27.16 and 51.33mg·L-1.The joint toxicity of Cr6+and citric acid was synergistic.The avoidance of the influence of the synergistic effect to the environment should be considered when washing soil polluted by Cr6+through citric acid.

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