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Simple measurement of14C in the environment using a gel suspension method

  • Metrology and Measurement
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Abstract

A simple analytical method for environmental14C with a low background liquid scintillation counter was developed. We used a new gelling agent, N-lauroyl-L-glutamic-α,γ-dibutylamide, for the liquid scintillation counting of14C as CaCO3 (gel suspension method). Our procedure for sample preparation was much simpler than that of conventional methods and required no special equipment. The samples prepared with the standard sample of CaCO3 were measured to evaluate the self absorption of the sample, the optimum condition of counting and the detection limit. Our results indicated that the newly developed technique could be efficiently applied for the monitoring of environmental14C.

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Authors and Affiliations

  1. Department of Nuclear Engineering, Faculty of Engineering, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, 812, Fukuoka, Japan

    G. Wakabayashi, H. Ohura, T. Okai & M. Matoba

  2. Proton Medical Research Center, Tsukuba University, 305, Ibaraki, Japan

    A. Nohtomi

  3. Department of Chemistry, Faculty of Science, Kyushu University, 812, Fukuoka, Japan

    H. Kakiuchi & N. Momoshima

  4. Kyushu Environmental Evaluation Association, 813, Fukuoka, Japan

    H. Kawamura

Authors
  1. G. Wakabayashi
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  2. H. Ohura
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  3. T. Okai
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  4. M. Matoba
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  5. A. Nohtomi
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  6. H. Kakiuchi
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  7. N. Momoshima
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  8. H. Kawamura
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Wakabayashi, G., Ohura, H., Okai, T. et al. Simple measurement of14C in the environment using a gel suspension method. J Radioanal Nucl Chem 239, 639–642 (1999). https://doi.org/10.1007/BF02349083

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  • DOI: https://doi.org/10.1007/BF02349083

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