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Issue 11, 2005
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Carbon speciation in airborne particulate matter with C (1s) NEXAFS spectroscopy

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Abstract

Recent and current research activities on the chemical characterization of carbon in airborne carbonaceous particulate matter with near-edge X-ray absorption fine structure (NEXAFS) spectroscopy are reviewed. NEXAFS spectroscopy uses soft X-rays from synchrotron radiation facilities and allows for the bulk and surface speciation of particulates smaller than 2.5 micrometres (PM 2.5). This relatively novel technique is often superior to TEM-EELS and FTIR spectroscopy. In the extreme case, one single PM particle is sufficient for characterization. Liquids, extracts, solid core and surface functional groups can be quantified. Preliminary data on combustion derived PM such as diesel soot, wood smoke and tobacco smoke are compared with ambient samples.

Graphical abstract: Carbon speciation in airborne particulate matter with C (1s) NEXAFS spectroscopy

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Publication details

The article was received on 23 Jun 2005, accepted on 30 Aug 2005 and first published on 21 Sep 2005


Article type: Critical Review
DOI: 10.1039/B508910G
Citation: J. Environ. Monit., 2005,7, 1059-1065
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    Carbon speciation in airborne particulate matter with C (1s) NEXAFS spectroscopy

    A. Braun, J. Environ. Monit., 2005, 7, 1059
    DOI: 10.1039/B508910G

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