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NMR Aerosolomics: A Convenient Route to Organic Aerosol Analysis.

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    0496256 - ÚCHP 2019 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
    Horník, Štěpán - Schwarz, Jaroslav - Sýkora, Jan
    NMR Aerosolomics: A Convenient Route to Organic Aerosol Analysis.
    Sborník XIX. výroční konference České aerosolové společnosti, pp. 44-47. Praha: Česká Aerosolová společnost, 2018 - (Pokorná, P.), s. 64-65. ISBN 978-80-270-4780-2.
    [Výroční konference České aerosolové společnosti /19./. Piešťany (SK), 25.10.2018-26.10.2018]
    Grant CEP: GA MŠMT(CZ) LM2015037
    Institucionální podpora: RVO:67985858
    Klíčová slova: NMR * aerosolomics * organic composition
    Obor OECD: Environmental sciences (social aspects to be 5.7)

    Atmospheric aerosols are a small but very important part of the Earth’s atmosphere. The proportion of inorganic and organic compounds in aerosol particles seems to be equal on average. While the inorganic composition of aerosols is well explored, knowledge about the organic part is still very limited. It is well known that the major part of organic aerosol compounds is represented by polar, water-soluble organic compounds (WSOC). So far GC-MS is the most frequently used method for WSOC analysis. GC-MS is a very sensitive technique, furthermore, it exploits huge spectra libraries accumulated over decades. Therefore, its role in the determination of aerosol composition is indisputable. Primarily owing to GC-MS, about 150 organic compounds have been identified in aerosol particles. NMR spectroscopy for the purpose of aerosol chemistry was discovered only recently as it is rather insensitive method. Nevertheless, NMR has undergone rapid development and sensitivity gain of late. Moreover, it is fully quantitative method and no sample derivatization is needed. So far, the use of NMR spectroscopy has been limited to so called Functional group analysis. In this analysis the whole NMR spectrum is divided into parts and subsequently integrated according to functional groups.
    Trvalý link: http://hdl.handle.net/11104/0289071

     
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