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Implementation of cryogenic tender X-ray HR-XANES spectroscopy at the ACT station of the CAT-ACT beamline at the KIT Light Source

The ACT experimental station of the CAT-ACT wiggler beamline at the Karlsruhe Institute of Technology (KIT) Light Source is dedicated to the investigation of radionuclide materials with radioactivities up to 1000000 times the exemption limit by various speciation techniques applying monochromatic X-...

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Autores principales: Schacherl, Bianca, Prüssmann, Tim, Dardenne, Kathy, Hardock, Kirsten, Krepper, Volker, Rothe, Jörg, Vitova, Tonya, Geckeis, Horst
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8733978/
https://www.ncbi.nlm.nih.gov/pubmed/34985425
http://dx.doi.org/10.1107/S1600577521012650
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author Schacherl, Bianca
Prüssmann, Tim
Dardenne, Kathy
Hardock, Kirsten
Krepper, Volker
Rothe, Jörg
Vitova, Tonya
Geckeis, Horst
author_facet Schacherl, Bianca
Prüssmann, Tim
Dardenne, Kathy
Hardock, Kirsten
Krepper, Volker
Rothe, Jörg
Vitova, Tonya
Geckeis, Horst
author_sort Schacherl, Bianca
collection PubMed
description The ACT experimental station of the CAT-ACT wiggler beamline at the Karlsruhe Institute of Technology (KIT) Light Source is dedicated to the investigation of radionuclide materials with radioactivities up to 1000000 times the exemption limit by various speciation techniques applying monochromatic X-rays. In this article, the latest technological developments at the ACT station that enable high-resolution X-ray absorption near-edge structure (HR-XANES) spectroscopy for low radionuclide loading samples are highlighted – encompassing the investigation of actinide elements down to 1 p.p.m. concentration – combined with a cryogenic sample environment reducing beam-induced sample alterations. One important part of this development is a versatile gas tight plexiglass encasement ensuring that all beam paths in the five-analyzer-crystal Johann-type X-ray emission spectrometer run within He atmosphere. The setup enables the easy exchange between different experiments (conventional X-ray absorption fine structure, HR-XANES, high-energy or wide-angle X-ray scattering, tender to hard X-ray spectroscopy) and opens up the possibility for the investigation of environmental samples, such as specimens containing transuranium elements from contaminated land sites or samples from sorption and diffusion experiments to mimic the far field of a breached nuclear waste repository.
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spelling pubmed-87339782022-01-19 Implementation of cryogenic tender X-ray HR-XANES spectroscopy at the ACT station of the CAT-ACT beamline at the KIT Light Source Schacherl, Bianca Prüssmann, Tim Dardenne, Kathy Hardock, Kirsten Krepper, Volker Rothe, Jörg Vitova, Tonya Geckeis, Horst J Synchrotron Radiat Actinide Physics and Chemistry The ACT experimental station of the CAT-ACT wiggler beamline at the Karlsruhe Institute of Technology (KIT) Light Source is dedicated to the investigation of radionuclide materials with radioactivities up to 1000000 times the exemption limit by various speciation techniques applying monochromatic X-rays. In this article, the latest technological developments at the ACT station that enable high-resolution X-ray absorption near-edge structure (HR-XANES) spectroscopy for low radionuclide loading samples are highlighted – encompassing the investigation of actinide elements down to 1 p.p.m. concentration – combined with a cryogenic sample environment reducing beam-induced sample alterations. One important part of this development is a versatile gas tight plexiglass encasement ensuring that all beam paths in the five-analyzer-crystal Johann-type X-ray emission spectrometer run within He atmosphere. The setup enables the easy exchange between different experiments (conventional X-ray absorption fine structure, HR-XANES, high-energy or wide-angle X-ray scattering, tender to hard X-ray spectroscopy) and opens up the possibility for the investigation of environmental samples, such as specimens containing transuranium elements from contaminated land sites or samples from sorption and diffusion experiments to mimic the far field of a breached nuclear waste repository. International Union of Crystallography 2022-01-01 /pmc/articles/PMC8733978/ /pubmed/34985425 http://dx.doi.org/10.1107/S1600577521012650 Text en © Bianca Schacherl et al. 2022 https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
spellingShingle Actinide Physics and Chemistry
Schacherl, Bianca
Prüssmann, Tim
Dardenne, Kathy
Hardock, Kirsten
Krepper, Volker
Rothe, Jörg
Vitova, Tonya
Geckeis, Horst
Implementation of cryogenic tender X-ray HR-XANES spectroscopy at the ACT station of the CAT-ACT beamline at the KIT Light Source
title Implementation of cryogenic tender X-ray HR-XANES spectroscopy at the ACT station of the CAT-ACT beamline at the KIT Light Source
title_full Implementation of cryogenic tender X-ray HR-XANES spectroscopy at the ACT station of the CAT-ACT beamline at the KIT Light Source
title_fullStr Implementation of cryogenic tender X-ray HR-XANES spectroscopy at the ACT station of the CAT-ACT beamline at the KIT Light Source
title_full_unstemmed Implementation of cryogenic tender X-ray HR-XANES spectroscopy at the ACT station of the CAT-ACT beamline at the KIT Light Source
title_short Implementation of cryogenic tender X-ray HR-XANES spectroscopy at the ACT station of the CAT-ACT beamline at the KIT Light Source
title_sort implementation of cryogenic tender x-ray hr-xanes spectroscopy at the act station of the cat-act beamline at the kit light source
topic Actinide Physics and Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8733978/
https://www.ncbi.nlm.nih.gov/pubmed/34985425
http://dx.doi.org/10.1107/S1600577521012650
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