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Lühl L, Mantouvalou I, Schaumann I, et al. Three-dimensional chemical mapping with a confocal XRF setup. Anal Chem. 2013;85(7):3682-9doi: 10.1021/ac303749b.
Lühl, L., Mantouvalou, I., Schaumann, I., Vogt, C., & Kanngießer, B. (2013). Three-dimensional chemical mapping with a confocal XRF setup. Analytical chemistry, 85(7), 3682-9. https://doi.org/10.1021/ac303749b
Lühl, Lars, et al. "Three-dimensional chemical mapping with a confocal XRF setup." Analytical chemistry vol. 85,7 (2013): 3682-9. doi: https://doi.org/10.1021/ac303749b
Lühl L, Mantouvalou I, Schaumann I, Vogt C, Kanngießer B. Three-dimensional chemical mapping with a confocal XRF setup. Anal Chem. 2013 Apr 02;85(7):3682-9. doi: 10.1021/ac303749b. Epub 2013 Mar 12. PMID: 23445459.
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Anal Chem. 2013 Apr 02;85(7):3682-9. doi: 10.1021/ac303749b. Epub 2013 Mar 12.

Three-dimensional chemical mapping with a confocal XRF setup.

Analytical chemistry

Lars Lühl, Ioanna Mantouvalou, Ina Schaumann, Carla Vogt, Birgit Kanngießer

Affiliations

  1. Technische Universität Berlin, Berlin, Germany. [email protected]

PMID: 23445459 DOI: 10.1021/ac303749b

Abstract

A new approach for the nondestructive reconstruction of stratified systems with constant elemental composition but with varying chemical compounds has been developed. The procedure is based on depth scans with a confocal X-ray fluorescence setup at certain energies near absorption edges. These so-called marker energies, where XAFS signals of the involved chemical compounds differ significantly, can also be used to uncover the chemical composition and its topology. A prominent field of application is homogeneous material that is degraded due to chemical reactions like oxidation or reduction. A procedure for the semiquantitative reconstruction of stratified material by means of depth scans at marker energies is elaborated and validated and a three-dimensional mapping is presented.

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