Journal article
Characterization of phosphorus compounds in soils by deep ultraviolet (DUV) Raman microspectroscopy
Journal of Raman Spectroscopy, Vol.48(6), pp.867-871
2017
Abstract
Deep ultraviolet Raman microspectroscopy was successfully investigated as a new approach to analyze the chemical state of phosphorus compounds directly in soil. We demonstrate that ultraviolet excitation has the advantage to avoid the interference with the strong fluorescence, which occurs in the visible spectral range caused by organic matter in soils. Furthermore, the spatial resolution of <1 μm2 enables the detection of very small phosphorus particles. For some organic phosphorus compounds (β-glycerophosphate, aminomethylphosphonic acid), sample cooling to -100 °C is found to strongly reduce the rate of degradation induced by the illumination with the ultraviolet excitation light. However, phytic acid and adenosine monophosphate degraded even with cooling. Our results reveal the capability of deep ultraviolet Raman microspectroscopy as a high-resolution benchtop imaging technique for the analysis of local interactions between soil compounds with the potential to become an analytical key to improve the understanding of transformation mechanisms of phosphates as well as other mineral phases in soils.
Details
- Title
- Characterization of phosphorus compounds in soils by deep ultraviolet (DUV) Raman microspectroscopy
- Authors
- C Vogel (Author) - Bundesanstalt für Materialforschung und -prüfung (BAM), GermanyM Ramsteiner (Author) - Paul-Drude-Institut für Festkörperelektronik, GermanyRyo Sekine (Author) - University of South AustraliaA Doolette (Author) - University of AdelaideC Adam (Author) - Bundesanstalt für Materialforschung und -prüfung (BAM), Germany
- Publication details
- Journal of Raman Spectroscopy, Vol.48(6), pp.867-871
- Publisher
- John Wiley & Sons Ltd.
- Date published
- 2017
- DOI
- 10.1002/jrs.5115
- ISSN
- 0377-0486
- Copyright note
- This is the peer reviewed version of the following article: Vogel, C., Ramsteiner, M., Sekine, R., Doolette, A., and Adam, C. (2017) Characterization of phosphorus compounds in soils by deep ultraviolet (DUV) Raman microspectroscopy. J. Raman Spectrosc., 48: 867– 871. doi: 10.1002/jrs.5115, which has been published in final form at doi: 10.1002/jrs.5115. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99450848202621
- Output Type
- Journal article
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