Journal of Radioanalytical and Nuclear Chemistry

, Volume 303, Issue 3, pp 2553–2557 | Cite as

An improved procedure for the determination of 210Po by alpha spectrometry in sediments samples from Danube Delta

  • Robert Cs. Begy
  • Oana A. Dumitru
  • Hedvig Simon
  • Ionela Steopoaie
Article

Abstract

The aim of this work is to find the optimal procedure for 210Po leaching from sediment samples. An improved method is described, the optimization consisting in a substantial reduction of leaching time. The method was tested on IAEA standard reference materials and compared with the classical procedure. The repeatability was estimated by analyzing seven duplicates of IAEA 385 Irish Sea sediment. However, the results are satisfactory only when the method is applied for sediments with high organic content. For silicates, a mixture of three acids was used for a complete digestion.

Keywords

210Po Sediments Leaching Alpha spectrometry 

References

  1. 1.
    Goldberg EG (1963) Geochronology with 210Pb. Radioactivity dating. IAEA, Vienna, pp 121–131Google Scholar
  2. 2.
    Krishnaswamy S, Lal D, Martin JM, Meybeck M (1971) Geochronology of lake sediments. Earth Planet Sci Lett 11:407–414CrossRefGoogle Scholar
  3. 3.
    Koide M, Soutar A, Goldberg ED (1972) Marine geochronology with 210Pb. Earth Planet Sci Lett 14:442–446CrossRefGoogle Scholar
  4. 4.
    Ribeiro Guevara S, Rizzo A, Sanchez R, Arribere M (2003) 210Pb fluxes in sediment layers sampled from Northern Patagonia lakes. J Radioanal Nucl Chem 258(3):583–595CrossRefGoogle Scholar
  5. 5.
    Aycik GA, Cetaku D, Erten HN, Salihoglu I (2004) Dating of Black Sea sediments from Romanian coast using natural 210Pb and fallout 137Cs. J Radioanal Nucl Chem 259(1):177–180CrossRefGoogle Scholar
  6. 6.
    Begy RC, Timar-Gabor A, Somlai J, Cosma C (2011) A sedimentation study of St. Ana Lake (Romania) applying the 210Pb and 137Cs dating methods. Geochronometria 38(2):93–100CrossRefGoogle Scholar
  7. 7.
    Sanchez-Cabeza JA, Ruiz-Fernandez AC (2012) 210Pb sediment radiochronology: an integrated formulation and classification of dating models. Geochim Cosmochim Ac 82:183–200CrossRefGoogle Scholar
  8. 8.
    De Vleeschouwer F, Sikorski J, Fagel N (2010) Development of 210Pb measurement in peat using polonium extraction. A procedural comparison. Geochronometria 36:1–8CrossRefGoogle Scholar
  9. 9.
    Tanner PA, Pan SM, Yu KN (2000) ©-Ray Spectrometric and 〈-counting method comparison for the determination of 210Pb in estuarine sediments. Appl Spectrosc 54(10):1443–1446CrossRefGoogle Scholar
  10. 10.
    Miley SM, Payne RF, Schulte SM, Finn E (2009) Polonium–lead extractions to determine the best method for the quantification of clean lead used in low-background radiation detectors. J Radioanal Nucl Chem 282(3):869–872CrossRefGoogle Scholar
  11. 11.
    Seiner BN, Morley SM, Beacham TA, Haney MM, Gregory S, Metz L (2014) Effects of digestion, chemical separation, and deposition on 210Po quantitative analysis. J Radioanal Nucl Chem. doi:10.1007/s10967-014-3255-2 Google Scholar
  12. 12.
    Edgington DN, Robbins JA (1975) Determination of the activity of lead-210 in sediments and soils. In: Lake Michigan mass balance study, volume 3-Metals, conventionals, radiochemistry and biomonitoring sample analysis techniques. Available online at www.epa.gov/greatlakes/lmmb/methods. Accessed 5 June 2013
  13. 13.
    Dinescu LC, Steinnes E, Duliu OG, Ciortea C, Sjobakk TE, Dumitriu DE, Gugiu MM, Haralambie M (2004) Distribution of some major and trace elements in Danube Delta lacustrine sediments and soil. J Radioanal Nucl Chem 262(2):345–354CrossRefGoogle Scholar
  14. 14.
    Kovács T, Somlai J, Nagy K, Szeiler G (2007) 210Po and 210Pb concentration of cigarettes traded in Hungary and their estimated dose contribution due to smoking. Radiat Meas 42(10):1737–1741CrossRefGoogle Scholar
  15. 15.
    Rusu OA, Dreve S, Cosma C, Begy RCs, Nita DC, Bobos LD (2011) Characteristics of formvar films used to prevent alpha detector contamination. J Radioanal Nucl Chem 290(2):241–245CrossRefGoogle Scholar
  16. 16.
    Babic Mladenovic M, Kolarov V, Damjanovic V (2013) Sediment regime of the Danube river in Serbia. Int J Sediment Res 28:470–485CrossRefGoogle Scholar

Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2014

Authors and Affiliations

  • Robert Cs. Begy
    • 1
  • Oana A. Dumitru
    • 1
  • Hedvig Simon
    • 1
  • Ionela Steopoaie
    • 1
  1. 1.Faculty of Environmental Science and EngineeringBabes-Bolyai UniversityCluj-NapocaRomania

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