维尔纽斯市用于环境识别的挥发性有机化合物图谱

IF 0.5 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Chemija Pub Date : 2022-02-07 DOI:10.6001/chemija.v33i1.4661

A. V. Claramunt, Audrius Sadaunykas, Simonas Balčiūnas, Birutė Knašienė, Audrius Zolumskis, E. Naujalis

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引用次数: 0

摘要

这项研究的目的是展示挥发性有机化合物(VOCs)分析如何被用作识别城市不同环境的方法。为了达到这个目的，我们采用了几种方法。首先，我们对几个不同地点的VOCs进行了分析。然后我们确定了标记化合物及其来源。使用热解吸(TD)管从维尔纽斯市中心的6个不同地点收集空气样本。采用热解吸-气相色谱-质谱联用(TD/GC-MS)方法对样品进行分析。化合物鉴定采用NIST MS Search 2.0(2005)质谱库匹配。结果表明，不同挥发性有机化合物水平的变化如何根据不同的排放源在相对较小的2平方公里范围内区分不同地点。

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Profiling of volatile organic compounds for environment discrimination in Vilnius City

The aim of this study was to show how volatile organic compounds (VOCs) profiling can be used as a method to identify different environments across a city. To achieve that, we employed several methods. First, we carried out the profiling of VOCs in several different locations. Then we identified the marker compounds and their sources. Air samples were collected from 6 different locations within the Vilnius City centre using thermal desorption (TD) tubes. Samples were analysed using thermal desorption coupled with gas chromatography mass spectroscopy (TD/GC-MS) methodology. Compound identification was performed by the library match using the NIST MS Search 2.0 (2005) mass spectral library. The results show how variation in the levels of different VOCs can distinguish between locations within a relatively small area of 2 km2 depending on different emission sources.

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来源期刊

Chemija 化学-化学综合

CiteScore

1.30

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： Chemija publishes original research articles and reviews from all branches of modern chemistry, including physical, inorganic, analytical, organic, polymer chemistry, electrochemistry, and multidisciplinary approaches.