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Phosphorus L(2,3)-edge XANES: overview of reference compounds.
- Source :
-
Journal of synchrotron radiation [J Synchrotron Radiat] 2009 Mar; Vol. 16 (Pt 2), pp. 247-59. Date of Electronic Publication: 2009 Jan 16. - Publication Year :
- 2009
-
Abstract
- Synchrotron-based X-ray absorption near-edge structure (XANES) spectroscopy is becoming an increasingly used tool for the element speciation in complex samples. For phosphorus (P) almost all XANES measurements have been carried out at the K-edge. The small number of distinctive features at the P K-edge makes in some cases the identification of different P forms difficult or impossible. As indicated by a few previous studies, the P L(2,3)-edge spectra were richer in spectral features than those of the P K-edge. However, experimentally consistent spectra of a wide range of reference compounds have not been published so far. In this study a library of spectral features is presented for a number of mineral P, organic P and P-bearing minerals for fingerprinting identification. Furthermore, the effect of radiation damage is shown for three compounds and measures are proposed to reduce it. The spectra library provided lays a basis for the identification of individual P forms in samples of unknown composition for a variety of scientific areas.
Details
- Language :
- English
- ISSN :
- 0909-0495
- Volume :
- 16
- Issue :
- Pt 2
- Database :
- MEDLINE
- Journal :
- Journal of synchrotron radiation
- Publication Type :
- Academic Journal
- Accession number :
- 19240337
- Full Text :
- https://doi.org/10.1107/S0909049509000211