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Related Experiment Videos

Improvements in quantitative source preparation

Denecke1, Sibbens, Szabo

  • 1EC-JRC-IRMM, Geel, Belgium.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
|March 21, 2000
PubMed
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A new device speeds up solvent evaporation for radionuclide standardisation, creating uniform deposits. This method enhances source quality for accurate alpha-particle spectroscopy.

Area of Science:

  • Nuclear Chemistry
  • Radiochemistry
  • Analytical Chemistry

Background:

  • Quantitative source preparation is crucial for accurate radionuclide standardization.
  • Improving the quality of radionuclide sources is essential for reliable measurements.
  • Current methods for solvent evaporation can be time-consuming and affect deposit uniformity.

Purpose of the Study:

  • To develop and evaluate a novel device for accelerating solvent evaporation during radionuclide source preparation.
  • To enhance the uniformity and crystal structure of deposited radionuclide sources.
  • To improve the overall quality of sources for accurate alpha-particle spectroscopy.

Main Methods:

  • A device was engineered to accelerate solvent evaporation from deposited drops on substrates.

Related Experiment Videos

  • The device utilizes multiple jets of dry nitrogen at elevated temperatures to stir rotating drops.
  • Source quality was assessed using microscopy, autoradiography, and alpha-particle spectral analysis.

    • Main Results:

    • Achieved significantly reduced drying times for solvent evaporation.
    • Produced uniform deposits characterized by a large number of small crystals.
    • Demonstrated improved source quality through spectral shape parameter analysis.

    Conclusions:

    • The developed device effectively accelerates solvent evaporation, leading to enhanced radionuclide source quality.
    • The method yields uniform deposits with desirable crystalline properties for standardization.
    • This technique offers a promising advancement for quantitative radionuclide source preparation.