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Self-Absorption Correction for Low-Energy Photons in Instrumental Photon Activation Analysis of Biological Materials

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Abstract

A simple and effective method has been proposed for self-absorption correction for low energy photons in instrumental photon activation analyses of biological materials. The method involves measurements of mass attenuation coefficients of a given sample by means of a standard source of low-energy photons, and the correction for self-absorption at a relevant energy to evaluate quantitative results. Agreements between theoretical and experimental attenuation coefficients were found to be excellent with respect to the biological materials with known elemental compositions. Validity of the method was verified by analyzing several biological standard reference materials: the Orchard Leaves, Bowen’Kale, Horse Kidney and Lobster Hepatopancreas, Amounts of several elements in human liver and kidney tissues determined by the proposed method are given.

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Authors and Affiliations

  1. Tokyo Metropolitan Institute for Neurosciences, Fuchu, Tokyo, 183, Japan

    Takeo Sato & Kazui Mori

  2. Department of Chemistry, College of General Education, Tohoku University, Aoba, Sendai, 980, Japan

    Toyoaki Kato

Authors
  1. Takeo Sato
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  2. Kazui Mori
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  3. Toyoaki Kato
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Sato, T., Mori, K. & Kato, T. Self-Absorption Correction for Low-Energy Photons in Instrumental Photon Activation Analysis of Biological Materials. ANAL. SCI. 7, 217–221 (1991). https://doi.org/10.2116/analsci.7.217

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  • DOI: https://doi.org/10.2116/analsci.7.217

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