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Related Experiment Videos

Gadolinium-153 line sources

Lebedev1, Gordeev, Karelin

  • 1State Scientific Centre of Russian Federation, Research Institute of Atomic Reactors, Dimitrovgrad. kar@orip.niiar.simbirsk.su

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
|September 26, 2000
PubMed
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Researchers developed a new method for producing Gadolinium-153 (Gd-153) line sources. This technology ensures accurate and uniform distribution of Gadolinium within the active core material.

Area of Science:

  • Materials Science
  • Nuclear Engineering
  • Radiochemistry

Background:

  • Development of specialized radioactive sources is crucial for various applications.
  • Gadolinium-153 (Gd-153) is a radioisotope with applications in medical imaging and industrial gauging.
  • Efficient and reliable production methods for Gd-153 sources are needed.

Purpose of the Study:

  • To detail the developed technology for producing Gadolinium-153 (Gd-153) line sources.
  • To establish a method for creating the active core material with precise Gadolinium content.
  • To ensure high uniformity and accuracy in the Gd-153 distribution within the source.

Main Methods:

  • The active core is fabricated using an Aluminum-Gadolinium Oxide (Al-Gd2O3) composition.
  • Two primary methods for core formation: pressing pellets or filling and sintering source bodies.

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  • Gadolinium salt is thermally decomposed onto aluminum particles to create the composition.

    • Main Results:

    • The developed method allows for precise control over the Gadolinium mass fraction, ranging from 0.02% to 6%.
    • Achieved high uniformity of Gadolinium distribution within the composition, exceeding 95%.
    • Successfully established a reproducible technology for Gd-153 line source production.

    Conclusions:

    • The new technology enables accurate and uniform production of Gd-153 line sources.
    • The method is versatile, allowing for adjustable Gadolinium content in the active core.
    • This advancement supports the availability of specialized radioactive sources for various applications.