Startseite Alpha track registration and revelation in CR-39 using new etching method for ultratrace alpha radioactivity quantification in solution media
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Alpha track registration and revelation in CR-39 using new etching method for ultratrace alpha radioactivity quantification in solution media

  • Sushma S. Chavan , Amol M. Mhatre , Ashok K. Pandey und Hemlata K. Bagla EMAIL logo
Veröffentlicht/Copyright: 17. Mai 2021
Radiochimica Acta
Aus der Zeitschrift Radiochimica Acta Band 109 Heft 6

Abstract

A CR-39 based method was developed for measuring the ultra-trace alpha radio activities in aqueous samples having curie levels of γ/β-radio activities. The chemical etching method was optimized to reveal the alpha tracks in CR-39. This new chemical etching method involved the use of a phase transfer catalyst tetraethylammonium bromide which reduced the track revelation induction time without deteriorating the track-etch parameters. The alpha track-etch parameters such as bulk-etch rate, track-etch rate, induction time, and the critical angle of alpha track registration were measured at 60 and 70 °C, with and without using a phase transfer catalyst in the chemical etching for the comparison and optimization. The track registration efficiency of CR-39 in the solution medium was measured using the samples having known alpha activity of mixPu, and value obtained was found to be (4.42 ± 0.12) × 10−4 cm. The registration efficiency value thus obtained was corroborated with the expected efficiency expected from the calculated range of alpha particles in the solution. This CR-39 based method was employed to quantify the alpha activity, as low as 0.2 Bq mL−1, in the aqueous radiopharmaceutical samples having the curie levels of γ/β radio activities.

Keywords: alpha-radioactivity quantification; alpha tracks; CR-39; solution medium; track registration efficiency
Corresponding author: Hemlata K. Bagla, Department of Nuclear and Radiochemistry, Kishinchand Chellaram College, Churchgate, Mumbai400 020, India, E-mail:

Acknowledgements

Authors are thankful to Dr. P.K. Pujari, Director, RC& Isotope Group, BARC for his keen interest and encouragement in the present work. We are also sincerely thankful to Babasaheb Ambedkar Research and Training Institute (BARTI) Pune, for the financial support.

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: This work was funded by Babasaheb Ambedkar Research and Training Institute (BARTI) India, for the financial support.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2020-02-26
Accepted: 2021-03-20
Published Online: 2021-05-17
Published in Print: 2021-06-25

© 2021 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Original Papers
  3. Extraction behavior of Pu(IV), Th(IV), and fission product elements with hexapropyl and hexabutyl phosphoramides
  4. Impact of selected cement additives and model compounds on the solubility of Nd(III), Th(IV) and U(VI): screening experiments in alkaline NaCl, MgCl2 and CaCl2 solutions at elevated ionic strength
  5. Liquid-liquid extraction of Nd+3 and Eu+3 from aqueous medium using oxytetracycline in dichloromethane
  6. Preparation of a carrier free 124Sb tracer produced in the Sn (p, n) reaction
  7. Utilization of nanotechnology in targeted radionuclide cancer therapy: monotherapy, combined therapy and radiosensitization
  8. Synthesis, characterization, and bioevaluation of 99mTc nitrido-oxiracetam as a brain imaging model
  9. Physico-mechanical comparative study on gamma irradiated high density polyethylene/eggshell and commercial calcium carbonate composites
  10. Determination of scalp hair selenium concentrations in Algerian psoriatic individuals using k0-standardization based on neutron activation analysis method
  11. Alpha track registration and revelation in CR-39 using new etching method for ultratrace alpha radioactivity quantification in solution media
https://doi.org/10.1515/ract-2020-0010
Schlagwörter für diesen Artikel
alpha-radioactivity quantification; alpha tracks; CR-39; solution medium; track registration efficiency

Artikel in diesem Heft

  1. Frontmatter
  2. Original Papers
  3. Extraction behavior of Pu(IV), Th(IV), and fission product elements with hexapropyl and hexabutyl phosphoramides
  4. Impact of selected cement additives and model compounds on the solubility of Nd(III), Th(IV) and U(VI): screening experiments in alkaline NaCl, MgCl2 and CaCl2 solutions at elevated ionic strength
  5. Liquid-liquid extraction of Nd+3 and Eu+3 from aqueous medium using oxytetracycline in dichloromethane
  6. Preparation of a carrier free 124Sb tracer produced in the Sn (p, n) reaction
  7. Utilization of nanotechnology in targeted radionuclide cancer therapy: monotherapy, combined therapy and radiosensitization
  8. Synthesis, characterization, and bioevaluation of 99mTc nitrido-oxiracetam as a brain imaging model
  9. Physico-mechanical comparative study on gamma irradiated high density polyethylene/eggshell and commercial calcium carbonate composites
  10. Determination of scalp hair selenium concentrations in Algerian psoriatic individuals using k0-standardization based on neutron activation analysis method
  11. Alpha track registration and revelation in CR-39 using new etching method for ultratrace alpha radioactivity quantification in solution media
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