Determination of 16 polycyclic aromatic hydrocarbons in airborne particle samples using two-step thermal desorption and gas chromatography-mass spectrometry

被引：3
|
作者：
Wang Xinxin [1 ,2 ]
Liu Qingyang [2 ]
Liu Yanju [2 ]
Gu Xuexin [1 ]
机构：
[1] Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
[2] Beijing Ctr Phys & Chem Anal, Beijing 100089, Peoples R China
来源：
CHINESE JOURNAL OF CHROMATOGRAPHY | 2010年 / 28卷 / 09期
关键词：
thermal desorption; gas chromatography-mass spectrometry (GC-MS); polycyclic aromatic hydrocarbons (PAHs); airborne particle samples;
D O I：
10.3724/SP.J.1123.2010.00849
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A method for the determination of 16 polycyclic aromatic hydrocarbons (PAHs) in airborne particle samples was developed using two-step thermal desorption and gas chromatography-mass spectrometry (GC-MS). The thermal desorption conditions and GC-MS parameters were optimized. The results showed that the detection limits (LODs) of this method varied from 0.14 to 0.42 ng/m(3). The average recoveries were ranged from 52.7% to 97.9%, and the relative standard deviations (RSD) were ranged from 8.0% to 18.4%. The method was applied to analyze 32 collected airborne particle samples. In comparison with the traditional method, this method can avoid the waste of organic solvents and also shorten the analysis time. It is a green method, and beneficial for the environment and the analysts.
引用
收藏
页码：849 / 853
页数：5
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