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苯并苊类化合物在气溶胶中的检出及其环境地球化学意义 被引量:3

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摘要 在燃煤源气溶胶中检测出2个相对分子质量为202的芳烃化合物,通过加氢色谱-质谱分析,结合文献数据确定为苯并苊类.对不同来源气溶胶组成研究表明,苯并苊广泛存在于城市大气气溶胶中,在桔杆、木碳及煤的燃烧产物中浓度很高,而在汽车排放气体颗粒物、降尘、环境污水、土壤及河道沉积物中含量较低或无法检出.分析了苯并苊类的可能来源其环境意义,认为苯并苊类的浓度有可能成为污染源识别及贡献率评价的重要指标.
出处 《科学通报》 CAS CSCD 北大核心 2008年第4期433-436,共4页 Chinese Science Bulletin
基金 高等学校博士学科点专项科研基金(批准号:20030425007)资助项目
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二级参考文献2

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