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137Cs/137mBa radioisotope generator based on 6-tungstocerate(IV) column matrix

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Summary

Barium-137m radioisotope generator of the chromatographic column elution mode based on loading 1.5 g 6-tungstocerate(IV) gel matrix with ~54 kBq of fission-produced 137Cs is described. The elution performance of the generated 137mBa radionuclide was investigated as a function of chemical composition of the eluent, flow rate, elution frequency, and age of the generator system. At comparable conditions, 137mBa eluates with 0.9% NaCl-0.1M HCl eluent had higher elution yields and radionuclidic purity than with 0.1M NH4Cl-0.1M HCl eluent. The generator has been repeatedly eluted for 311 days by passing 4810 ml of the saline eluent (10 ml × 481 elution operations) at a flow rate of 3.0 ml/min. Barium-137m eluates of high and reproducible elution yields, chemical and radionuclidic purities of (≥ 99.99%) were obtained.

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Authors and Affiliations

  1. Radioactive Isotopes and Generators Department, Hot Laboratories Center, Atomic Energy Authority, P.O. Code 13759, Cairo, Egypt

    M. A. El-Absy

  2. Radioactive Isotopes and Generators Department, Hot Laboratories Center, Atomic Energy Authority, P.O. Code 13759, Cairo, Egypt

    M. Mostafa

  3. Radioactive Isotopes and Generators Department, Hot Laboratories Center, Atomic Energy Authority, P.O. Code 13759, Cairo, Egypt

    M. A. El-Amir

  4. Radioactive Isotopes and Generators Department, Hot Laboratories Center, Atomic Energy Authority, P.O. Code 13759, Cairo, Egypt

    H. El-Said

  5. Chemistry Department, Faculty of Science, Zagazig University, Benha Branch, Benha, Egypt

    A. A. Abdel Fattah

  6. Chemistry Department, Faculty of Science, Zagazig University, Benha Branch, Benha, Egypt

    H. M. Aly

Authors
  1. M. A. El-Absy
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  2. M. Mostafa
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  3. M. A. El-Amir
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  4. H. El-Said
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  5. A. A. Abdel Fattah
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  6. H. M. Aly
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El-Absy, M., Mostafa, M., El-Amir, M. et al. 137Cs/137mBa radioisotope generator based on 6-tungstocerate(IV) column matrix. J Radioanal Nucl Chem 267, 161–167 (2005). https://doi.org/10.1007/s10967-006-0023-y

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  • DOI: https://doi.org/10.1007/s10967-006-0023-y

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