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Radiometric efficiency of analytical filters at different physical conditions

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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.

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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.

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Authors and Affiliations

  1. Ural Federal University, Mira Street 19, Ekaterinburg, Russia, 620002

    Hyam Nazmy Bader Khalaf & Mostafa Yuness Abdelfatah Mostafa

  2. Institute of Industrial Ecology UB RAS, Sophy Kovalevskoy St. 20, Ekaterinburg, Russia, 620990

    Michael Zhukovsky

  3. Physics Department – Faculty of Science, Minia University, Minia, Egypt

    Hyam Nazmy Bader Khalaf & Mostafa Yuness Abdelfatah Mostafa

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  1. Hyam Nazmy Bader Khalaf
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  2. Mostafa Yuness Abdelfatah Mostafa
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  3. Michael Zhukovsky
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Correspondence to Hyam Nazmy Bader Khalaf.

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Khalaf, H.N.B., Mostafa, M.Y.A. & Zhukovsky, M. Radiometric efficiency of analytical filters at different physical conditions. J Radioanal Nucl Chem 319, 347–355 (2019). https://doi.org/10.1007/s10967-018-6347-6

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  • DOI: https://doi.org/10.1007/s10967-018-6347-6

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