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汽车尾气烟尘中有机碳和元素碳的稳定同位素组成 被引量:7

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摘要 探讨汽车尾气颗粒物中有机碳和元素碳的稳定同位素组成.用分步加热氧化法对杭州市柴油车和汽油车的尾气烟尘进行了稳定碳同位素比值分析。结果显示,汽油车尾气颗粒物的δ^(13)C_(OC)平均值为-31.6‰(-32.9‰~-29.8‰),δ^(13)C_(EC)为-25.8‰(-27.6‰~-23.5‰);柴油车δ^(13)C_(OC)为-30.2‰(-32.3‰~-29.1‰),δ^(13)C_(EC)为-26.5‰(-27.2‰~-25.9‰)。结果表明,这两类机动车的有机碳或元素碳的碳同位素组成基本一致。而同类机动车有机碳与元素碳的碳同位素组成差别较大。
出处 《环境与健康杂志》 CAS CSCD 北大核心 2008年第9期822-823,共2页 Journal of Environment and Health
基金 南京信息工程大学科研基金资助项目
作者简介 刘刚(1965-),男,教授,从事环境科学研究。
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参考文献9

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