黄楚珊;马鹏程;王小娇;陈棉彪;张丽娟;于云江;黄建洪;胡国成;

• 1:环境保护部华南环境科学研究所
• 2:国家环境保护环境污染健康风险评价重点实验室
• 3:锦州医科大学
• 4:昆明理工大学

摘要(Abstract)：

为探究云南省会泽县农田土壤中全氟化合物(perfluorinated compounds,PFCs)的污染特征及其潜在来源,2015年6月采集云南省会泽县农田土壤42份,利用高效液相色谱-串联质谱仪(HPLC-MS/MS)分析了11种PFCs的含量水平。结果表明,云南省会泽县农田土壤中全氟己酸(perfluorohexanoic acid,PFHx A)、全氟庚酸(perfluoroheptanoic acid,PFHp A)和全氟己烷磺酸(perfluorohexane sulfonate,PFHx S)均未检出,其余8种PFCs(ΣPFCs)的平均含量水平为0.392 ng·g-1,含量范围为0.298~0.998ng·g-1。全氟辛酸(perfluorooctanoic acid,PFOA)和全氟辛烷磺酸(perfluorooctane sulfonate,PFOS)是最主要的PFCs,相对百分含量范围为45.93%~81.86%,其平均含量水平分别为0.116 ng·g-1和0.120 ng·g-1。与国内其他地区土壤中PFCs的含量水平相比,云南省会泽县农田土壤中PFCs含量水平低于上海,与广州、深圳、东莞、安徽、中国东部农村等地区土壤中PFCs的含量相当。主成分分析结果表明,以全氟癸酸(perfluorodecanoic acid,PFDA)、全氟辛烷磺酸(PFOS)和全氟十三酸(perfluorotridecanoic acid,PFTr DA)为主要标志物的2个主成分可以解释云南省会泽县农田土壤中73%的ΣPFCs。工业活动、大气沉降及长距离传输为云南省会泽县农田土壤中PFCs的主要来源。

关键词(KeyWords)： 全氟化合物;农田土壤;污染特征;来源解析

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(21407054);; 广东省自然科学基金项目(2015A030313790,2015A030313863)

作者(Author): 黄楚珊;马鹏程;王小娇;陈棉彪;张丽娟;于云江;黄建洪;胡国成;

Email:

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