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  • 1
    Digitale Medien
    Digitale Medien
    High resolution photoabsorption spectroscopy at the carbonK-Edge (1989)
    Springer
    Applied physics 49 (1989), S. 393-397 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 07.85.+n ; 33.20.Rm ; 35.20.Pa
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract Using plane grating, ellipsoidal mirror, grazing incidence monochromators at the storage ring BESSY, a resolution of ≦ 150meV was achieved for a photon energy of 285 eV. This high energy resolution considerably extends the range of possible studies using core level Spectroscopy. Some of the new opportunities are illustrated at the CK edge by resolving the vibrational fine structure of condensed C2H4 multilayers in the (1s−1, π*) state by means of photoabsorption spectroscopy. For the sake of comparison with other high resolution instruments, the vibrational fine structure of condensed N2 multilayers at the NK edge (∼ 400eV) was also measured, yielding a resolving power of 3000.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00615022
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Chemical speciation of heavy metals in soils by use of XAFS spectroscopy and electron microscopical techniques (1999)
    Springer
    Fresenius' journal of analytical chemistry 364 (1999), S. 238-244 
    Details
    ISSN: 1432-1130
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract Pb-contaminated soil samples were investigated using XAFS spectroscopy and SEM/EDX as tools for the analysis of chemical binding forms. The soils originated from the vicinity of a battery factory in Hannover (Germany) and had Pb-contents between 50 g/kg and 140 g/kg. PbCO3, PbSO4, PbO and basic PbCO3 could be identified as the main constituents in the samples by XAFS spectroscopy (EXAFS as well as XANES). This result is consistent with the results of the SEM/EDX investigations on the same soil samples, which showed, that almost all of the lead contained in the soils appears in the form of discrete particles of lead compounds. The EDX analysis of these particles consistently shows the presence of Pb, C, O and S.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002160051330
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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