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我国典型城市冬季龙头水中卤代酚类嗅味污染特征
引用本文:史芳天,齐飞,徐冰冰,李明珠,王彦楠,孙昊婉.我国典型城市冬季龙头水中卤代酚类嗅味污染特征[J].环境科学研究,2012,25(11):1257-1264.
作者姓名:史芳天  齐飞  徐冰冰  李明珠  王彦楠  孙昊婉
作者单位:1. 北京林业大学环境科学与工程学院,北京市水体污染源控制技术重点实验室,北京 100083
2. 中国环境科学研究院,环境基准与风险评估国家重点实验室,北京 100012
3. 临沂市建设职工中等专科学校,山东临沂,276000
基金项目:中央高校基本科研业务费专项,国家自然科学基金项目,高等学校博士学科点专项科研基金项目
摘    要:为研究我国典型城市冬季龙头水中卤代酚类嗅味暴露特征,以8种典型卤代酚类嗅味物质为研究对象,采用固相微萃取预处理,结合气相色谱-质谱联用仪对全国22个典型城市龙头水中的卤代酚类嗅味污染物进行定性、定量分析.结果表明:在我国冬季典型城市龙头水中普遍存在卤代酚类嗅味物质暴露问题.其中,以4-氯酚的暴露浓度最大,ρ(4-氯酚)最高为3 526.24ng/L,ρ(2-氯酚)和ρ(2-溴酚)较小,最大暴露值均小于100 ng/L;ρ(2,6-二溴酚)与ρ(2,6-二氯酚)在各典型城市普遍出现超嗅阈值现象;就调查的城市而言,东北地区污染最为严重,其次为华北地区,中南和西部地区嗅味物质污染及超嗅阈值现象相对较轻.

关 键 词:卤代酚  嗅味  龙头水  嗅阈值

Characteristics of Odorous Halogenated Phenols in Tap Water of Typical Cities in China in Winter
SHI Fang-tian,QI Fei,XU Bing-bing,LI Ming-zhu,WANG Yan-nan and SUN Hao-wan.Characteristics of Odorous Halogenated Phenols in Tap Water of Typical Cities in China in Winter[J].Research of Environmental Sciences,2012,25(11):1257-1264.
Authors:SHI Fang-tian  QI Fei  XU Bing-bing  LI Ming-zhu  WANG Yan-nan and SUN Hao-wan
Institution:Beijing Key Laboratory for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China;Beijing Key Laboratory for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China;State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China;Linyi Secondary Specialized Technical School of Construction, Linyi 276000, China;Beijing Key Laboratory for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China;Beijing Key Laboratory for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China
Abstract:
Keywords:halogenated phenols  taste and odor  tap water  odorous threshold concentration
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