001009000 001__ 1009000 001009000 005__ 20240712084614.0 001009000 0247_ $$2doi$$a10.1080/07366299.2023.2220765 001009000 0247_ $$2ISSN$$a0736-6299 001009000 0247_ $$2ISSN$$a1532-2262 001009000 0247_ $$2datacite_doi$$a10.34734/FZJ-2023-02569 001009000 0247_ $$2WOS$$aWOS:001023482500001 001009000 037__ $$aFZJ-2023-02569 001009000 041__ $$aEnglish 001009000 082__ $$a540 001009000 1001_ $$00000-0001-9617-7123$$aZarzana, Christopher A.$$b0$$eCorresponding author 001009000 245__ $$aGamma Radiolysis of Phenyl-Substituted TODGAs: Part I 001009000 260__ $$aPhiladelphia, PA$$bTaylor & Francis$$c2023 001009000 3367_ $$2DRIVER$$aarticle 001009000 3367_ $$2DataCite$$aOutput Types/Journal article 001009000 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1692365117_8449 001009000 3367_ $$2BibTeX$$aARTICLE 001009000 3367_ $$2ORCID$$aJOURNAL_ARTICLE 001009000 3367_ $$00$$2EndNote$$aJournal Article 001009000 520__ $$aThe radiolytic stabilities of three phenylated analogs of N,N,N',N'-tetraoctyl diglycolamide (TODGA) were investigated: 2-(2-(di-n-octylamino)-2-oxoethoxy)-N,N-di-n-octyl-2-phenylacetamide (PhTODGA), which has a phenyl substituent bound to a central methylene, 2-(2-(di-n-octylamino)-2-oxo-1-phenylethoxy)-N,N-di-n-octylpropanamide (PhMeTODGA), which also contains a methyl substituent bound to the methylene on the other side of the ether moiety, and, 2-(2-N-n-hexyl-N-phenylamino)-2-oxoethoxy)-N-n-hexyl-N-phenylacetamide (DHDPDGA), which has phenyl substituents located on the amide groups instead of the central methylenes. The objective of Part I of this series of papers covers was to evaluate the contribution of the phenyl group to the radiolytic stability of these diglycolamides when irradiated in a) n-dodecane, and b) n-dodecane in the presence of a nitric acid-containing aqueous phase. The results indicate that the presence of the phenyl group decreases the overall radiolytic stability compared to unsubstituted TODGA. However, the results also indicate that the phenyl groups interact with nitric acid in a cooperative fashion that enhances the radiation stability of the phenylated diglycolamide (DGA) derivatives in the presence of a nitric acid-containing aqueous phase compared to irradiation in only n-dodecane. The results are consistent with the hypothesized formation of nitric acid-phenylated DGA complexes in the n-dodecane phase that are significantly more stable with respect to gamma irradiation, compared to the phenylated DGA molecules alone. 001009000 536__ $$0G:(DE-HGF)POF4-1412$$a1412 - Predisposal (POF4-141)$$cPOF4-141$$fPOF IV$$x0 001009000 536__ $$0G:(EU-Grant)323282$$aSACSESS - Safety of ACtinide Separation proceSSes (323282)$$c323282$$fFP7-Fission-2012$$x1 001009000 536__ $$0G:(EU-Grant)755171$$aGENIORS - GEN IV Integrated Oxide fuels recycling strategies (755171)$$c755171$$fNFRP-2016-2017-1$$x2 001009000 588__ $$aDataset connected to CrossRef, Journals: juser.fz-juelich.de 001009000 7001_ $$0P:(DE-HGF)0$$aMcAlpine, Jack$$b1 001009000 7001_ $$0P:(DE-Juel1)130438$$aWilden, Andreas$$b2 001009000 7001_ $$0P:(DE-Juel1)142389$$aHupert, Michelle$$b3 001009000 7001_ $$0P:(DE-Juel1)133855$$aStärk, Andrea$$b4$$ufzj 001009000 7001_ $$00000-0002-9830-8235$$aIqbal, Mudassir$$b5 001009000 7001_ $$00000-0002-6863-8655$$aVerboom, Willem$$b6 001009000 7001_ $$00000-0003-3108-2590$$aMincher, Bruce J.$$b7 001009000 7001_ $$00000-0001-9027-0490$$aGroenewold, Gary S.$$b8 001009000 7001_ $$0P:(DE-Juel1)130383$$aModolo, Giuseppe$$b9 001009000 773__ $$0PERI:(DE-600)2043256-2$$a10.1080/07366299.2023.2220765$$gp. 1 - 18$$n5$$p564-581$$tSolvent extraction and ion exchange$$v41$$x0736-6299$$y2023 001009000 8564_ $$uhttps://juser.fz-juelich.de/record/1009000/files/Authors%20fulltext%20post%20review.pdf$$yPublished on 2023-07-06. 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