Ядерна фізика та енергетика Nuclear Physics and Atomic Energy   ISSN: 1818-331X (Print), 2074-0565 (Online)   Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine   Languages: Ukrainian, English   Periodicity: 4 times per year   Open access peer reviewed journal

Full text (en)

I. F. Mironyuk¹, I. M. Mykytyn¹, O. Ye. Kaglyan², D. I. Gudkov², H. V. Vasylyeva<sup>3,*

1</sup> Department of Chemistry, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
² Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
³ Department of Theoretical Physics, Uzhgorod National University, Uzhgorod, Ukraine

^*Corresponding author. E-mail address: h.v.vasylyeva@hotmail.com

Abstract: This paper describes the testing of titanium dioxide, chemically modified by arsenate groups, as an adsorbent of ⁹⁰Sr from the component of aquatic ecosystems of the Chornobyl exclusion zone. It is shown, that the chemical composition of the aquatic environment impacts ⁹⁰Sr adsorption. The 4As-TiO₂ adsorbent reduces the activity of some samples by almost 100 %, which indicates selectivity and high adsorption capacity of the adsorbent in relation to ⁹⁰Sr. In some experiments, this value reached 100 %, and the activity was reduced to the level of the maximum permissible ⁹⁰Sr concentration.

Keywords: Chornobyl exclusion zone, fish, scale, specific activity, ⁹⁰Sr, ТіО₂.

1. I.F. Mironyuk et al. Effects of chemosorbed arsenate groups on the mesoporous titania morphology and enhanced adsorption properties towards Sr(II) cations. Journal of Molecular Liquids 282 (2019) 587. https://doi.org/10.1016/j.molliq.2019.03.026

2. I.F. Mironyuk et al. Highly efficient adsorption of strontium ions by carbonated mesoporous TiO₂. Journal of Molecular Liquids 285 (2019) 742. https://doi.org/10.1016/j.molliq.2019.04.111

3. I.F. Mironyuk et al. Adsorption of Sr(II) cations onto phosphated mesoporous titanium dioxide: Mechanism, isotherm and kinetics studies. Journal of Environmental Chemical Engineering 7(6) (2019) 103430. https://doi.org/10.1016/j.jece.2019.103430

4. D.I. Gudkov et al. Peculiarities of radionuclides distribution in the main components of aquatic ecosystems within the Chernobyl accident exclusion zone. Aquatic Ecosystem Research Trends (2009) p. 383.

5. O.Ye. Kaglyan et al. Radionuclides in the indigenous fish species of the Chernobyl exclusion zone. Yaderna Fizyka ta Energetyka (Nucl. Phys. At. Energy) 13(3) (2012) 306. (Rus) https://jnpae.kinr.kyiv.ua/13.3/Articles_PDF/jnpae-2012-13-0306-Kaglyan.pdf

6. O.Ye. Kaglyan et al. Fish of the Chernobyl exclusion zone: Modern levels of radionuclide contamination and radiation doses. Hydrobiological Journal 55(5) (2019) 86. https://doi.org/10.1615/HydrobJ.v55.i5.80

7. ISO 18589-5:2019. Measurement of radioactivity in the environment – Soil – Part 5: Strontium 90 – Test method using proportional counting or liquid scintillation counting. 2-nd ed. (ISO, 2019) 2 p. https://www.iso.org/standard/69074.html

8. Workshop on Veterinary Radiobiology. Ed. by A.D. Belova (Moskva: Agropromizdat, 1988) 90 p. (Rus)

9. S. Levchuk. Handbook of Basic Methods for Determining the Activity of Radionuclides (Kyiv, 2016) 116 p. (Ukr) http://uiar.org.ua/Dovidnyk.pdf

10. H.V. Vasylyeva et al. Аdsorption of Co²⁺ and radioactive ⁶⁰Со by mesoporous TiO₂. Chem. Phys. Techn. Surf. 10(4) (2019) 446. https://doi.org/10.15407/hftp10.04.446

11. H.N. Tran et al. Mistakes and inconsistencies regarding adsorption of contaminants from aqueous solutions: a critical review. Water Res. 120 (2017) 88. https://doi.org/10.1016/j.watres.2017.04.014

12. A.Ye. Kaglyan et al. Radionuclides in fish of the Chernobyl exclusion zone: species-specificity, seasonality, size- and age-dependent features of accumulation. RAD Proc. of “Third Inter. Conf. on Radiation and Application in Various Fields of Research”, Budva, Montenegro, June 8 - 12, 2015 (Budva, 2015) p. 249.

13. J.S. Nelson. Fishes of the World. 4-th ed. (John Wiley & Sons, Inc, 2006). Book

14. Brined Cheeses. Ed. by A.Y. Tamime. (Blackwell Publishing Ltd, 2006). Book

15. I.M. Mehdawi, A. Young. Antibacterial composite restorative materials for dental applications. In: Biomaterials and Medical Device. Ed. by L Barnes, Ian Cooper (Elsevier, 2014) p. 199. https://doi.org/10.1533/9780857097224.2.199

16. P.W. Brown. Calcium Phosphates in Biomedical Engineering. Encyclopedia of Materials: Science and Technology (2001) p. 893. https://doi.org/10.1016/B0-08-043152-6/00170-4

17. K.M. Mackay, R.A. Mackay, W. Henderson. Introduction to Modern Inorganic Chemistry. 6-th ed. (London: Nelson Thomes Ltd, 2002) 467 p. Book

18. A. Maxwell et al. Rapid method for determination of radiostrontium in emergency milk samples. Journal of Radioanalytical and Nuclear Chemistry 279(3) (2009) 757. https://doi.org/10.1007/s10967-008-7368-3

19. H. Vasylyeva et al. Adsorption of Barium and Zinc Ions by Mesoporous TiO₂ with Chemosorbed Carbonate Groups. Physics and Chemistry of Solid State 20(3) (2019) 282. https://doi.org/10.15330/pcss.20.3.282-290

20. Calcium Phosphate. Compound Summary. National Library of Medicine. National Center for Biotechnology Information. https://pubchem.ncbi.nlm.nih.gov/compound/Calcium-phosphate

21. F-G. Simon, V. Biermann. Chapter 4 – Behaviour of uranium in elemental iron and hydroxyapatite reactive barriers: column experiments. Trace Metals and other Contaminants in the Environment 7 (2005) 77. https://doi.org/10.1016/S0927-5215(05)80008-6

22. International Basic Safety Standards for Protection against Ionizing Radiation and for the Safety of Radiation Sources. Safety Standards. Safety series No. 115 (Vienna: IAEA, 1996) 370 p. https://gnssn.iaea.org/Superseded%20Safety%20Standards/Safety_Series_115_1996_Pub996_EN.pdf