大都市郊区PM1.0的化学特征及氧化潜能

IF 1 Q4 METEOROLOGY & ATMOSPHERIC SCIENCES

Journal of Korean Society for Atmospheric Environment Pub Date : 2022-06-30 DOI:10.5572/kosae.2022.38.3.437

Myoung-Ki Song, Jinsoo Park, Minsung Kim, Jinsoo Choi, Sea-Ho Oh, Seoyeong Choe, Geun-Hye Yu, T. Lee, M. Bae

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引用次数: 0

摘要

根据韩国仁川国家环境研究所收集的化学形态，进行了科学分析，以调查超细颗粒物（PM1.0）和细颗粒物（PM2.5）的特征。在这项研究中，同时使用两台倍他射线仪器监测PM1.0和PM2.5质量。分别使用碳分析仪、离子色谱法和气相色谱法分析有机碳、元素碳、水溶性离子化合物和多环芳烃。此外，还研究了使用二硫苏糖醇的氧化潜力，以比较PM1.0和PM2.5中的毒性水平。因此，尽管PM1.0和PM2.5中主要化学成分的特征相似，但由于与有毒化合物相关的有机化合物，PM1.0中的氧化潜力高于PM2.5。这一结果将能够调查与PM1.0相关的健康研究和政策策略。

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Chemical Characteristics and Oxidation Potential of PM1.0 at a Suburban Location in Metropolitan Area

Scientific analyses were carried out to investigate the characteristics of both ultra-fine (PM1.0) and fine particulate matters (PM2.5) based on chemical speciation collected at National Institute of Environmental Research in Incheon, Repulic of Korea. In this study, PM1.0 and PM2.5 mass were monitored using two betaray instruments simultaneously. Organic carbon, elemental carbon, water soluble ionic compounds, and polycyclic aromatic hydrocarbons were analyzed using carbon analyzer, ion chromatography, and gas chromatography, respectively. In addition, the oxidation potential using dithiothreitol were investigated to compare the level of toxicities in PM1.0 and PM2.5. As a result, although characteristics of major chemical components in PM1.0 and PM2.5 were similar, oxidation potential in PM1.0 were presented higher than that in PM2.5 due to organic compounds related to toxic compounds. This result will be able to investigate the health studies and policy strategies associated with PM1.0.

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来源期刊

Journal of Korean Society for Atmospheric Environment METEOROLOGY & ATMOSPHERIC SCIENCES-

CiteScore

2.00

自引率

60.00%

发文量