Photon-Activation Analysis for Zirconium with Molybdenum Used as the Internal-Reference Element

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概要

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• A method for the determination of zirconium has been studied by activation analysis with bremsstrahlung photons, with molybdenum used as the internal-reference element. This method is based on the γ-ray spectrometric measurement of the <SUP>89</SUP>Zr activity produced by the <SUP>90</SUP>Zr(γ,n) reaction and on the comparison of this activity with the <SUP>88</SUP>Zr activity formed by the (γ,α) reaction on molybdenum. The reaction products and their rates of production in zirconium and in molybdenum have also been examined as functions of bremsstrahlung maximum energies up to 60 MeV, and the best conditions for the determination of zirconium are proposed. When the maximum energy was set at 20 MeV, no interfering reactions occurred; under the present experimental conditions, a zirconium content down to about 18 μg can be determined accurately. The reliability and the versatility of this method are demonstrated.

• 公益社団法人 日本化学会の論文

著者

• Pung Tong-Chuin

  Department of Chemistry, Faculty of Science, Tohoku University

• Oka Yoshinaga

  Department of Chemistry, Faculty of Science, Tohoku University

• Kato Toyoaki

  Department of Chemistry, Faculty of Science, Tohoku University

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