安顺市三县区耕地土壤中重金属污染比较分析  

Comparative analysis of heavy metal contamination in cultivated soil of three counties(districts)in Anshun city,Guizhou province

作　　者：徐林[1,2] 龚玲 戴乾 韦刚[1,2] 刘钰洁 蔡贵香[1,2] XU Lin;GONG Ling;DAI Qian;WEI Gang;LIU Yu-jie;CAI Gui-xiang(Laboratory,Anshun City Center for Disease Control and Prevention,Anshun,Guizhou 561000,China;不详)

机构地区：[1]安顺市疾病预防控制中心检验科,贵州安顺561000 [2]安顺市食品安全风险监测重点实验室 [3]安顺市食品药品检验所化学室

出　　处：《环境与健康杂志》2024年第10期886-890,共5页Journal of Environment and Health

基　　金：安顺市科技计划项目(安市科平[2022]1号)。

摘　　要：目的了解安顺市三县(区)耕地土壤中重金属污染情况及差异,为土壤管理及治理提供参考。方法分层采集三县(区)耕地土壤样品,采用AAS法和ICP-MS法对其中的重金属含量进行检测分析,使用SPSS 27.0软件对数据进行统计分析。结果三县(区)土壤均以碱性为主;土壤中重金属超标占比大小情况是普定县>紫云县>平坝区,超标主要为Cd指标。三县(区)土壤中Pb和Cr的总体污染程度均属于清洁水平,Cd的总体污染程度是紫云县>普定县>平坝区。三县(区)土壤中重金属综合污染程度总体上是紫云县>普定县>平坝区。结论本次调查的三县(区)土壤均受到了Pb、Cd和Cr不同程度的污染,需要进一步加强土壤管理和治理,减小其对土壤污染造成的影响。Objective To understand the current status of heavy metal contamination in cultivated soil in three counties(districts)and provide the reference for soil management and treatment.Methods The soil samples of cultivated land in three counties(districts)were collected by layers,and the heavy metal contents were determined by AAS method and ICP-MS method,and the data were analyzed with SPSS 27.0 software.Results The soil of the three counties(districts)was mainly alkaline.The excessive standard proportion of heavy metals in soil ranked as Puding County>Ziyun County>Pingba District,and the excessive metal was mainly Cd.The overall contamination degree of Pb and Cr in the soil of the three counties(districts)belongs to the clean level,and the overall contamination degree of Cd ranked as Ziyun County>Puding County>Pingba District.The comprehensive pollution degree of heavy metals in soil of the three counties(districts)is generally Ziyun County>Puding County>Pingba District.Conclusion The soil of the three counties(districts)was contaminated by Pb,Cd and Cr to different degrees,so it is necessary to further strengthen soil management and treatment to reduce cultivated soil contamination.

关 键 词：污染 比较分析 重金属 耕地土壤 

分 类 号：R994.6[医药卫生—毒理学]