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  • 1 University of Gent Laboratory of Analytical Chemistry Institute for Nuclear Sciences (INW) Proeftuinstraat 86 B-9000 Gent Belgium
  • | 2 University of Trondheim Department of Chemistry N-7055 Dragvoll Norway
  • | 3 KFKI-AEKI POB 49 H-1525 Budapest 114 Hungary
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An investigation is made of the importance of (n,,n,) second-order reaction interferences in reactor neutron activation analysis (NAA), in addition to the commonly considered (n, , ; n, ) interferences. The algorithms for the calculation of the interference are derived from the Bateman-Rubinson equation, taking into account the formation of all m-and g-states involved bum-up effects, and the growth of the interfering radionuclide after irradiation due to a mother-daughter relationship. The following practical cases are examined in detail:138Ba140La (detemination of La in presence of excess Ba),139La141Ce (Ce in La),164Dy166Ho (Ho in Dy),186W188Re (Re in W) and192Os194Ir (Ir in Os). A computer search was done for the nuclear data involved in the computation. For139La[(n,; n,; )+(n,;; n,)]141Ce, and164Dy[(n,; n,; )+ (n,; ; n,)]166Ho experimental checks were performed in the Budapest Research Reactor, which confirmed the calculations showing that the (n,; n,; ) interference gives the largest contribution to the apparent concentration of Ce in La and of Ho in Dy, respectively.

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  • Scimago Journal Rank (2019): 0.360
  • SJR Hirsch-Index (2019): 65
  • SJR Quartile Score (2019): Q3 Analytical Chemistry
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  • SJR Hirsch-Index (2018): 60
  • SJR Quartile Score (2018): Q2 Nuclear Energy and Engineering
  • SJR Quartile Score (2018): Q2 Pollution

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
per Year
per Year
Founder Akadémiai Kiadó
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)