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Neutron activation determination of oxygen in ceramic materials on the basis of yttrium, barium and copper

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Abstract

A procedure of determining oxygen in superconducting materials on the basis of yttrium, barium and copper oxides with the application of 14 MeV-neutron activation has been developed. The method is based on determining the relation between oxygen and yttrium in the compounds investigated. Quantitative evaluation of this relation is performed with the aid of a comparator and two-component monitor. In order to minimize systematic errors, expressions accounting for spectrometer dead time under conditions of varying component activity are proposed. The procedure ensures determination of the relation between oxygen and yttrium with a relative error of 0.4%(10 parallel measurements) with NAA using a neutron generator with a neutron yield of (1–3)·1010 n·s−1.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry Siberian Branch of the USSR Academy of Sciences, Lavrenteva street 3, 630090, Novosibirsk, (USSR)

    M. M. Goldshtein & I. G. Yudelevich

  2. All-Union Research Institute of Radiation Engineering, Warshavskoe shosse 46, 115230, Moscow, (USSR)

    I. V. Mirotin & O. K. Nikolaenko

Authors
  1. M. M. Goldshtein
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  2. I. V. Mirotin
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  3. O. K. Nikolaenko
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  4. I. G. Yudelevich
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Goldshtein, M.M., Mirotin, I.V., Nikolaenko, O.K. et al. Neutron activation determination of oxygen in ceramic materials on the basis of yttrium, barium and copper. Journal of Radioanalytical and Nuclear Chemistry, Articles 147, 341–346 (1991). https://doi.org/10.1007/BF02040382

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  • DOI: https://doi.org/10.1007/BF02040382

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