烟台大学学报（自然科学与工程版）2013，Vol.26Issue(3)：173-177,5.
水捕获-气质联用快速分析柴油机排放的多环芳烃
Water-Capture, Purge-and-Trap Coupled with Gas Chromatography-Mass Spectrometry for Rapid Determination of Gaseous Polycyclic Aromatic Hydrocarbons Emitted from Diesel Engine
王明雨 1杨炳军 2张少君 2张晓 1张均东3
作者信息
- 1. 大连海事大学轮机学院,辽宁大连116026
- 2. 烟台大学海洋学院,山东烟台264005
- 3. 威海市疾病预防控制中心,山东威海264200
- 折叠
摘要
Abstract
A novel collection and detection method is established for determination of toxic gaseous polycyclic aromatic hydrocarbons (PAHs) emitted from diesel engine.Water-capture-method is processed by adding functional surfactants to solubilize PAHs,and avoids loss and degeneraiton of sample caused by using solid adsorbents.The problems such as poor solubility of PAHs in water and the adsorptions of PAHs on the pipe wall are solved.Inorganic salt and organic solvent are added to improve the solubility and recovery yields of PAHs.The purge-and-trap system can collect PAHs traces from water quickly.GC/MS analysis shows that diesel engine exhaust gas includes 16 dominant PAHs,with a total concentration of 85.53 μg/m3.The entire process requires very few samples,the detection limit reaches to pg grade,the detection speed is fast,and the purge-and-trap time is less than 5％ of the traditional method,which can decrease the PAHs loss as little as possible.关键词
多环芳烃/柴油机/排放/检测Key words
polycyclic aromatic hydrocarbons/diesel engine/emission/ detection分类
化学化工引用本文复制引用
王明雨,杨炳军,张少君,张晓,张均东..水捕获-气质联用快速分析柴油机排放的多环芳烃[J].烟台大学学报（自然科学与工程版）,2013,26(3):173-177,5.
