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dc.contributor.authorJOBBAGY Viktoren_GB
dc.contributor.authorCRESPO M. T.en_GB
dc.contributor.authorVAN AMMEL Rafen_GB
dc.contributor.authorMAROULI Mariaen_GB
dc.contributor.authorMOENS Andreen_GB
dc.contributor.authorPOMME Stefaanen_GB
dc.contributor.authorGARCIA-TORANO Eduardoen_GB
dc.date.accessioned2014-02-12T01:01:16Z-
dc.date.available2013-09-23en_GB
dc.date.available2014-02-12T01:01:16Z-
dc.date.created2013-09-03en_GB
dc.date.issued2013en_GB
dc.date.submitted2013-08-27en_GB
dc.identifier.citationJOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY vol. 298 no. 1 p. 345-352en_GB
dc.identifier.issn0236-5731en_GB
dc.identifier.urihttp://rd.springer.com/article/10.1007%2Fs10967-013-2444-8en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC84089-
dc.description.abstractIn this paper the source preparation procedures for high-resolution 238U sources are described and compared. This work was done within collaboration between CIEMAT and IRMM in the frame of MetroFission, a project of the European Metrology Research Programme, in order to determine the alpha-emission probabilities of 238U. 238U was deposited from organic (iso-propanol) and inorganic-H2SO4/(NH4)2SO4, saturated NH4NO3-electrolyte solutions on metal backings. The parameters affecting electrodeposition were studied and optimized. The activity distribution of uranium was checked by autoradiography. Results show that the 238U source quality is significantly better using the saturated NH4NO3 than the two other electrolytes. By this method, sources of 18.6–22 mm diameter, 26 lg cm-2 surface density, *15–18 keV resolution and a peak to valley ratio higher than 50 could be made. This reconciles the inherently opposing requirements of high resolution and sufficient count rate needed to determine the alpha–emission probabilities accurately.en_GB
dc.description.sponsorshipJRC.D.4-Standards for Nuclear Safety, Security and Safeguardsen_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherSPRINGERen_GB
dc.relation.ispartofseriesJRC84089en_GB
dc.titlePreparation of high-resolution 238U alpha-sources by electrodeposition: a comprehensive studyen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1007/s10967-013-2444-8en_GB
JRC Directorate:Health, Consumers and Reference Materials

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