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Diffusion and Sorption of Radium and Strontium in a Layer of Porous Sorbent Based on Hydroxyapatite

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Abstract

A cell for studying the diffusion of therapeutic medical radionuclides into the macrolayer of the carrier sorbent was fabricated using 3D printing. The diffusion of ultramicroquantities of radium and strontium within a layer of watered hydroxyapatite was investigated. The value of the effective diffusion coefficient obtained using a one-dimensional nonstationary model was (1.0 ± 0.4) × 10–8 cm2/s for Ra and (3.0 ± 0.3) × 10–8 cm2/s for Sr.

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Funding

The study was supported by a grant from the Russian Foundation for Basic Research, project no. 18-03-00432.

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Authors and Affiliations

  1. Chemical Department, Moscow State University, 119991, Moscow, Russia

    A. V. Severin, A. V. Gopin, A. N. Vasiliev & K. I. Enikeev

  2. Institute for Nuclear Research, Russian Academy of Sciences, ul. Fizicheskaya 27, Troitsk, 108840, Moscow, Russia

    A. N. Vasiliev

Authors
  1. A. V. Severin
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  2. A. V. Gopin
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  3. A. N. Vasiliev
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  4. K. I. Enikeev
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Correspondence to A. V. Severin.

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Additional information

Translated from Zhurnal Prikladnoi Khimii, No. 1, pp. 54–58, December, 2020 https://doi.org/10.31857/S0033831121010081

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Severin, A.V., Gopin, A.V., Vasiliev, A.N. et al. Diffusion and Sorption of Radium and Strontium in a Layer of Porous Sorbent Based on Hydroxyapatite. Radiochemistry 63, 51–55 (2021). https://doi.org/10.1134/S1066362221010082

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  • DOI: https://doi.org/10.1134/S1066362221010082

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