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6 Result(s)

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  1. No Access

    Chapter and Conference Paper

    Modeling the transport of low molecular weight metal complexes across the liquid–liquid interface during extraction in a synthetic boundary cell by using the finite differences method

    We determine transport parameters such as the diffusion coefficient, D, the integral mass flux and the transfer coefficient across the liquid–liquid interface, α, in solvent extraction systems by using analytical...

    R. Ludwig, T. K. D. Nguyen, H. Higuchi, J. Henniger in Analytical Ultracentrifugation VII (2004)

  2. No Access

    Article

    Concentration of plutonium in squids collected from Japanese inshore measured by HR-ICP-MS, 1981–2000

    In order to obtain the information about plutonium contamination in ocean environment, plutonium in the internal organs of squid collected from Japanese inshore were determined by HR-ICP-MS. Although the pluto...

    T. Kishimoto, T. Sanada, K. Sato, H. Higuchi in Journal of Radioanalytical and Nuclear Che… (2002)

  3. No Access

    Article

    Determination of thorium in the organs of deceased thorotrast patients

    “Thorotrast” was widely used in the past as an X-ray contrast medium, containing a colloidal solution of thorium dioxide (232ThO2). After injection, thorium accumulates and is mainly retained in the liver. Thus o...

    K. Kitamura, Y. Imazawa, T. Morimoto… in Journal of Radioanalytical and Nuclear Che… (1997)

  4. No Access

    Article

    Determination of attenuation coefficient for self-absorption correction in routine gamma ray spectrometry of environmental bulk sample

    A simple method to determine γ-ray attenuation coefficients using Ba-133 γ-rays has been developed and applied to self-absorption correction in routine γ-ray spectrometry for environmental samples composed of ...

    K. Satoh, N. Ohashi, H. Higuchi, M. Noguchi in Journal of Radioanalytical and Nuclear Che… (1984)

  5. No Access

    Article

    Determination of sodium and chlorine in pure water by neutron activation analysis

    Neutron activation analysis was applied to determine sodium and chlorine in high purity water samples. After irradiation of the sample,38Cl was purified from82Br and other nuclides by carbon tetrachloride extract...

    H. Higuchi, N. Nonaka, H. Hamaguchi, K. Tomura in Journal of Radioanalytical Chemistry (1977)

  6. No Access

    Article

    Determination of rare-earth eleemnts in rock samples by neutron activation analysis

    A Ge(Li) detector combined with cation exchange separation has been used for the determination of 12 rare-earth elements (La, Ce, Nd, Sm, Eu, Gd, Tb, Ho, Er, Tm, Yb, and Lu) in rock samples by neutron activati...

    H. Higuchi, K. Tomura, H. Hamaguchi in Journal of Radioanalytical Chemistry (1970)