A Study of the γ-Radiolysis of N,N-Didodecyl-N',N'-Dioctyldiglycolamide Using UHPLC-ESI-MS Analysis
Abstract
In this paper, solutions of N,N-didodecyl-N',N'-dioctyldiglycolamide in n-dodecane were subjected to γ-irradiation in the presence and absence of both an aqueous nitric acid phase and air sparging. The solutions were analyzed using ultra-high-performance liquid chromatography-electrospray ionization-mass spectrometry (UHPLC-ESI-MS) to determine the rates of radiolytic decay of the extractant as well as to identify radiolysis products. The DGA concentration decreased exponentially with increasing dose, and the measured degradation rate constants were uninfluenced by the presence or absence of acidic aqueous phase, or by air sparging. Finally, the identified radiolysis products suggest that the bonds most vulnerable to radiolytic attack are those in the diglycolamide center of these molecules and not in the side chains.
- Authors:
-
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Forschungszentrum Julich (Germany)
- Publication Date:
- Research Org.:
- Idaho National Lab. (INL), Idaho Falls, ID (United States); Forschungszentrum Juelich (Germany)
- Sponsoring Org.:
- USDOE Office of Nuclear Energy (NE), Fuel Cycle Technologies (NE-5); European Commission (EC)
- OSTI Identifier:
- 1367875
- Report Number(s):
- INL/JOU-15-37316
Journal ID: ISSN 0736-6299
- Grant/Contract Number:
- AC07-05ID14517; FP7-Fission-2012-323-282
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Solvent Extraction and Ion Exchange
- Additional Journal Information:
- Journal Volume: 34; Journal Issue: 5; Journal ID: ISSN 0736-6299
- Publisher:
- Taylor and Francis
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; diglycolamide; UHPLC-MS; radiolysis; D3DODGA; radiation chemistry
Citation Formats
Roscioli-Johnson, Kristyn M., Zarzana, Christopher A., Groenewold, Gary S., Mincher, Bruce J., Wilden, Andreas, Schmidt, Holger, Modolo, Giuseppe, and Santiago-Schübel, Beatrix. A Study of the γ-Radiolysis of N,N-Didodecyl-N',N'-Dioctyldiglycolamide Using UHPLC-ESI-MS Analysis. United States: N. p., 2016.
Web. doi:10.1080/07366299.2016.1212540.
Roscioli-Johnson, Kristyn M., Zarzana, Christopher A., Groenewold, Gary S., Mincher, Bruce J., Wilden, Andreas, Schmidt, Holger, Modolo, Giuseppe, & Santiago-Schübel, Beatrix. A Study of the γ-Radiolysis of N,N-Didodecyl-N',N'-Dioctyldiglycolamide Using UHPLC-ESI-MS Analysis. United States. https://doi.org/10.1080/07366299.2016.1212540
Roscioli-Johnson, Kristyn M., Zarzana, Christopher A., Groenewold, Gary S., Mincher, Bruce J., Wilden, Andreas, Schmidt, Holger, Modolo, Giuseppe, and Santiago-Schübel, Beatrix. Tue .
"A Study of the γ-Radiolysis of N,N-Didodecyl-N',N'-Dioctyldiglycolamide Using UHPLC-ESI-MS Analysis". United States. https://doi.org/10.1080/07366299.2016.1212540. https://www.osti.gov/servlets/purl/1367875.
@article{osti_1367875,
title = {A Study of the γ-Radiolysis of N,N-Didodecyl-N',N'-Dioctyldiglycolamide Using UHPLC-ESI-MS Analysis},
author = {Roscioli-Johnson, Kristyn M. and Zarzana, Christopher A. and Groenewold, Gary S. and Mincher, Bruce J. and Wilden, Andreas and Schmidt, Holger and Modolo, Giuseppe and Santiago-Schübel, Beatrix},
abstractNote = {In this paper, solutions of N,N-didodecyl-N',N'-dioctyldiglycolamide in n-dodecane were subjected to γ-irradiation in the presence and absence of both an aqueous nitric acid phase and air sparging. The solutions were analyzed using ultra-high-performance liquid chromatography-electrospray ionization-mass spectrometry (UHPLC-ESI-MS) to determine the rates of radiolytic decay of the extractant as well as to identify radiolysis products. The DGA concentration decreased exponentially with increasing dose, and the measured degradation rate constants were uninfluenced by the presence or absence of acidic aqueous phase, or by air sparging. Finally, the identified radiolysis products suggest that the bonds most vulnerable to radiolytic attack are those in the diglycolamide center of these molecules and not in the side chains.},
doi = {10.1080/07366299.2016.1212540},
journal = {Solvent Extraction and Ion Exchange},
number = 5,
volume = 34,
place = {United States},
year = {Tue Jul 12 00:00:00 EDT 2016},
month = {Tue Jul 12 00:00:00 EDT 2016}
}
Web of Science
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Works referencing / citing this record:
Evaluation of the impacts of gamma radiolysis on an ALSEP process solvent
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