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How Effectively is the Photon Activation Analysis Applied to Meteorite Samples?

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Abstract

Chondritic meteorite samples were analyzed nondestructively by photon activation analysis. Powdered samples weighing about 50 mg each were irradiated with photons (γ-rays) converted from electrons accelerated by a linear electron accelerator at 20 and 30 MeV. With 30-minute and 6-hour irradiations, 11 and 12 elements with duplication of 6 elements could be determined, respectively. Considering that several major elements including Mg, Si and Fe can be determined in addition to Ti, Rb, Sr, Y and Zr, which cannot or hardly be determined by instrumental neutron activation analysis (INAA) with rather high sensitivity, instrumental photon activation analysis is as effective as INAA.

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Authors and Affiliations

  1. Department of Chemistry, Graduate School of Sciences, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan

    M. Ebihara

  2. Department of Chemistry, Graduate School of Sciences, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan

    Y. Oura, T. Ishii, M. Setoguchi & H. Nakahara

  3. Laboratory for Nuclear Study, Tohoku University, Sendai, Miyagi, 982-0826, Japan

    T. Ohtsuki

Authors
  1. M. Ebihara
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  2. Y. Oura
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  3. T. Ishii
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  4. M. Setoguchi
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  5. H. Nakahara
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  6. T. Ohtsuki
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Ebihara, M., Oura, Y., Ishii, T. et al. How Effectively is the Photon Activation Analysis Applied to Meteorite Samples?. Journal of Radioanalytical and Nuclear Chemistry 244, 491–496 (2000). https://doi.org/10.1023/A:1006766411304

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  • DOI: https://doi.org/10.1023/A:1006766411304

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