Determination of thallium by activation analysis based on the reaction 203T1 (n, 2n) 202T1

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dc.contributor.authorErben, M. Talat
dc.contributor.authorOkar, Sevim
dc.contributor.departmentTAEK-ÇNAEMtr_TR
dc.date.accessioned2017-06-09T07:37:04Z
dc.date.available2017-06-09T07:37:04Z
dc.date.issued1966-09
dc.descriptionTENMAK D.N.. 8164tr_TR
dc.description.abstractThermal neutron activation of thallium leads to 3.9-year 204T1 and 4.3-min. 206T1 isotopes which are not gamma emitters. However, a method of analysis based on the reaction 203T1(n, γ) 204T1 has been developed by Delbecq et al., and used to detect thallium amounts with a sensistivity of 0.1 µg. In spite of this high sensitivity, this method has the disadvantage of measuring the beta activity and therefore is not very specific. In the present note an activation analysis based on the reaction 203T1(n,2n) 202T1 is discussed. The product isotope 202T1 has a convenient half-life of 12 days and is a gamma emitter, thereby makes the determination specific. On the other hand, owing to the rather high threshold (8-9 MeV) for this reaction the sensitivity is only about 20 µg of thallium for samples irradiated for 30 hours in the close-vicinity of the reactor fuel in a total flux of 10(13) n/cm2/sec.tr_TR
dc.identifier.citationErben, M. T. ve Okar, S. (1966). Determination of thallium by activation analysis besed on the reaction 203T1 (n, 2n) 202T1. İstanbul : T. A. E. C., Çekmece Nuclear Research Center.tr_TR
dc.identifier.urihttp://kurumsalarsiv.tenmak.gov.tr/handle/20.500.12878/441
dc.language.isoengtr_TR
dc.publisherT. A. E. C., Çekmece Nuclear Research Centertr_TR
dc.relation.ispartofseriesT. A. E. C., Çekmece Nuclear Research Center;ÇNAEM 39
dc.rightsinfo:eu-repo/semantics/openAccesstr_TR
dc.subjectDetermination of thallium
dc.subjectTalyum tayini
dc.subjectReaction 203T1 (n, 2n) 202T1
dc.subject203T1 (n, 2n) 202T1 reaksiyonu
dc.subjectNeutron activation analysistr_TR
dc.subjectNötron aktivasyon analizitr_TR
dc.titleDetermination of thallium by activation analysis based on the reaction 203T1 (n, 2n) 202T1tr_TR
dc.typereporttr_TR
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