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Radiochemical separation and determination of europium by Ge(Li) detector in biological tissues

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Abstract

A simple neutron activation method has been developed for the determination of europium in biological tissues and applied in the analysis of marine organism samples with ±9% precision at the nanogram level. The method is based on the separation, by ion-exchange, of the rare earth group from dry or ashed irradiated tissues and subsequent determination of152mEu, by γ-spectrometry using a lithium drifted germanium detector.152mEu, separated almost completely from other than rare earth elements, with better than 98% chemical yield, is counted on the 121.8 keV photopeak which then is practically free from any other γ-ray energy interfering in this counting.

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Authors and Affiliations

  1. Nuclear Research Center “Democritos” Aghia Paraskevi Attikis, Athens, Greece

    I. Hadzistelios & C. Papadopoulou

Authors
  1. I. Hadzistelios
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  2. C. Papadopoulou
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Hadzistelios, I., Papadopoulou, C. Radiochemical separation and determination of europium by Ge(Li) detector in biological tissues. J. Radioanal. Chem. 36, 427–434 (1977). https://doi.org/10.1007/BF02517011

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  • DOI: https://doi.org/10.1007/BF02517011

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