Characterisation of aerosol particles using combined thermoanalytical techniques

被引:4
|
作者
Matuschek, G
Saritas, Y
Karg, E
Schroeppel, A
机构
[1] GSF Natl Res Ctr Environm & Hlth, Inst Ecol Chem Focus Network Aerosols & Hlth, D-85758 Oberschleissheim, Germany
[2] GSF Natl Res Ctr Environm & Hlth, Inst Inhalat Biol, D-85758 Oberschleissheim, Germany
关键词
aerosols; GC-MS; mass spectrometry; thermal analysis;
D O I
10.1023/B:JTAN.0000046120.70022.bd
中图分类号
O414.1 [热力学];
学科分类号
摘要
Four different artificial aerosol particles as well as one standard environmental aerosol particle (NIST SRM 1649a) were investigated. While the mass loss of the aerosol particles varies from 1.5 to 32% of the entire mass, only a small part of each volatile fraction consists of organic compounds. Due to the construction of the combined thermoanalytical system, only a small part of the evolved gases is used for the mass spectrometric investigation. This results in a restricted sensitivity which does not allow an identification of individual organic components. Additional investigations like thermal desorption GC-MS reveal up to 1600 individual components (SRM 1649a).
引用
收藏
页码:575 / 586
页数:12
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