甘新城市大气挥发性有机物和颗粒物的污染特征及健康风险评估
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周茜, 李忠勤, 牟翠翠, 王飞腾, 李开明, 尤晓妮, 张昕, 王芳龙
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Pollution characteristics and health risk assessment of atmospheric volatile organic compounds and particulate matter in Gansu-Xinjiang cities
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Xi ZHOU, Zhongqin LI, Cuicui MU, Feiteng WANG, Kaiming LI, Xiaoni YOU, Xin ZHANG, Fanglong WANG
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表2 PTR-MS仪器扫描的离子质荷比及组分信息
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Table 2 Ion mass charge ratio and component information scanned by PTR-MS instrument
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| 类别 | 质荷比（m/z） | 分子式 | 中文名 | 英文名 | 灵敏度（ncps/ppbv） | LOD/ppbv | 不确定度/% |
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| OVOCs | 33 | CH4O | 甲醇 | Methanol | 25.1 | 0.46 | 28.6 | | OVOCs | 45 | C2H4O | 乙醛 | Acetaldehyde | 33.6 | 0.15 | 18.3 | | OVOCs | 47 | C2H6O | 甲酸 | Formic acid | | | | | OVOCs | 59 | C3H6O | 丙酮 | Acetone | 32.8 | 0.10 | 18.8 | | OVOCs | 61 | C2H4O2 | 乙酸 | Acetic acid | | | | | OVOCs | 73 | C4H8O | 甲基乙基酮 | MEK | — | — | — | | 烃类 | 43 | C3H6 | 丙烯 | Propene | 21.1 | 0.12 | 20.1 | | 示踪物 | 42 | CH3CN | 乙腈 | Acetonitrile | 37.3 | 0.10 | 22.6 | | 生物源 | 69 | C5H8 | 异戊二烯 | Isoprene | 30.3 | 0.09 | 20.1 | | 生物源 | 71 | C4H6O | 甲基乙烯基酮+ 甲基丙烯醛 | MVK+MACR | — | — | — | | 生物源 | 137 | C10H16 | 单萜 | Monoterpene | 19.7 | 0.09 | 21.5 | | 芳香烃 | 79 | C6H6 | 苯 | Benzene | 25.4 | 0.07 | 16.8 | | 芳香烃 | 93 | C7H8 | 甲苯 | Toluene | 27.8 | 0.10 | 18.9 | | 芳香烃 | 105 | C8H8 | 苯乙烯 | Styrene | 21.0 | 0.10 | 19.8 | | 芳香烃 | 107 | C8H10 | C8芳烃 | C8 Aromatics | 18.6 | 0.08 | 17.6 | | 芳香烃 | 121 | C9H12 | C9芳烃 | C9 Aromatics | 17.4 | 0.08 | 18.4 | | 芳香烃 | 129 | C10H8 | 萘 | Naphthalene | — | — | — | | 芳香烃 | 135 | C10H14 | C10芳烃 | C10Aromatics | 28.9 | 0.12 | 19.4 |
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