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Journal of Radioanalytical and Nuclear Chemistry

, Volume 319, Issue 1, pp 347–355 | Cite as

Radiometric efficiency of analytical filters at different physical conditions

  • Hyam Nazmy Bader KhalafEmail author
  • Mostafa Yuness Abdelfatah Mostafa
  • Michael Zhukovsky
Article
  • 36 Downloads

Abstract

The radiometric efficiency of three analytical filters AFA-RSP-20, AFA-RMP-20 and AFA-RMV-20 was examined at different air velocities and aerosol number concentrations. An experimental setup had been constructed with 2 m3 radon chamber. Alpha radiometry was used to measure the deposited activities in the filters. Aerosols parameters like number concentration and size distribution are measured continuously with an aerosol diffusion spectrometer (ADS). RMV filter has a stable efficiency ~ 99.8%. The RSP and RMP filters efficiency is depending on the aerosol concentration and air sampling velocity. The effect of an aerosol concentration on the filter efficiency is more obvious than the effect of air velocity.

Keywords

Radioactive aerosols AFA filters-air velocity Flow rate Filter efficiency 

Notes

Acknowledgements

The work was partly supported by Act 211 of the Government of the Russian Federation (Contract No. 02. A03.21.0006) and the Centre of Excellence: Radiation and Nuclear Technologies.

Compliance with ethical standards

Conflict of interest

All authors declare that they have no conflict of interest.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.Ural Federal UniversityEkaterinburgRussia
  2. 2.Institute of Industrial Ecology UB RASEkaterinburgRussia
  3. 3.Physics Department – Faculty of ScienceMinia UniversityMiniaEgypt

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