| 南京大气细颗粒中有机碳与元素碳污染特征 |
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| 引用本文： | 张予燕,俞美香,任兰,朱志锋.南京大气细颗粒中有机碳与元素碳污染特征[J].环境监测管理与技术,2012,24(4):30-32. |
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| 作者姓名： | 张予燕 俞美香 任兰 朱志锋 |
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| 作者单位： | 1. 南京市环境监测中心站,江苏 南京,210013
2. 江苏省环境监测中心,江苏 南京,210036 |
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| 基金项目： | 江苏省环保科研计划基金资助项目，南京市环保局科研基金资助项目 |
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| 摘 要： | 为了解南京城区大气细颗粒物中有机碳与元素碳的污染特征,在国控点草场门进行了连续一年的PM2.5采样,分析了有机碳(OC)、元素碳(EC)、ρ(OC)/ρ(EC)污染特征和变化规律。结果表明,采样期间有些PM2.5的日均值超过了《环境空气质量标准》(GB 3095-2012)二级标准,ρ(OC)/ρ(EC)为0.77～4.98,平均值为1.92。PM2.5样品中OC约占18%、EC约占9%。
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| 关 键 词： | 可入肺颗粒物 有机碳 元素碳 污染特征 南京 |
Organic and Element Carbon Pollution Characteristics of Atmospheric Fine Particles in Nanjing |
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| ZHANG Yu-yan
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YU Mei-xiang
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REN Lan
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ZHU Zhi-feng.Organic and Element Carbon Pollution Characteristics of Atmospheric Fine Particles in Nanjing[J].The Administration and Technique of Environmental Monitoring,2012,24(4):30-32. |
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| Authors: | ZHANG Yu-yan YU Mei-xiang REN Lan ZHU Zhi-feng |
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| Institution: | 1. Nanjing Environmental Monitoring Center, Nanfing, Jiangsu 210013, China; 2. Jiangsu Provincial Environmental Monitoring Center, Nanjing , Jiangsu 210036, China) |
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| Abstract: | In order to find out organic and element carbon pollution characteristics in atmospheric fine particles in Nanjing, sampling and detection of PM/.5 were performed in one year for the concentration of organic carbon （OC）, element carbon （EC） , ρ （OC） / ρ （EC） as well as their change rules. The results showed that ρ（OC）/ρ（EC） ranged from 0.77 to 4.98, average value 1.92. The OC accounted for 18% in PM25 sample, and EC 9%. Daily average concentration of PM25 during the sampling time had been over the Level-2 standard in the Ambient Air Quality Standard （GB 3095 -2012） to indicate that carbon pollution of PM2.5 in Nanjing was relatively serious. |
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| Keywords: | PM2 5 Organic carbon Element carbon Pollution characteristics Nanjing |
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