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| 大气颗粒物中多环芳烃的源解析方法 |
| Discussion on Methodsof Source Apportionmentof Polycyclic Aromatic Hydrocarbonson Airborne Particulate |
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| DOI： |
| 中文关键词: 多环芳烃 大气颗粒物 源解析 受体模型 |
| 英文关键词: Polycyclic aromatichydrocarbons(PAHs) Airborneparticulate Sourceapportionment Receptor model |
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| 中文摘要: |
| 综述了用于大气颗粒物中多环芳 烃 (PAHs) 源解析的主要定性、定量方法, 并对其优缺点作了总结。比值法多用于定性解析, 化学质量平衡法 (CMB) 要求源的成分谱较全面, 而多元统计法则要求输入的数据较多。由于缺乏各污染源较完整的PAHs成分谱, 且PAHs易发生化学反应, 所以CMB法难以广泛推广, 而多元统计法对源成分谱要求低, 且不需要考虑 PAHs 的降解, 因而具有推广价值。 |
| 英文摘要: |
| The main qualitative and quantitative methods forsource apportionmentof PAHs on airborne particulate are review ed and evaluated in thisarticle. Ratio method is mainly applied in qualitative apportionment. Comprehensive source fingerprintsare required for chemical mass balance method , while more data are required for multivariate statistical analysis method. Broad applicationofchemical massbalance methodis hindered bythe absenceofareliablecombustionsourcefingerprints andthereactivity andinstability of PAHs, w hilecomprehensivesourcefingerprintsaren . trequired and decay of PAHscan notbe consideredfor multivariatestatisticalanalysis method. Therefore multivariatestatisticalanalysis methodisofhighvalueofapplication. |
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