Skip to main content
SpringerLink
Log in

Partition coefficient of Ra in gypsum

  • Published:
Journal of Radioanalytical and Nuclear Chemistry Aims and scope Submit manuscript

Abstract

A partition coefficient (λ) for Ra in gypsum was determined from coprecipitation experiment using oversaturation method. The λ-value derived for Ra was: λ Ra = 0.32±0.15. Saturation state was estimated with the initial concentration of Ca and SO 2−4 in an experiment of the present study. Saturation index was calculated to be (0.49±0.02). This value was similar to those corresponds to analogous case where slow precipitation rate was kept in coprecipitation experiment for Sr in gypsum. Therefore, derived λ-value is thought to describe partition of Ra and Ca in solid phase and solution under an equilibrium condition without the effect of kinetic of precipitation. Determined λ-value was compared with those of other alkaline elements in sulfate minerals. The derived λ-value is smaller than that of Ra in barite and is similar to those of Sr in gypsum. This trend agrees with mechanical understanding for the size effect against partition coefficient.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. H. A. Doerner, W. M. Hoskins, J. Am. Chem. Soc., 47 (1925) 662.

    Article  CAS  Google Scholar 

  2. R. B. Lorens, Geochim. Cosmochim. Acta, 45 (1981) 553.

    Article  CAS  Google Scholar 

  3. E. Curti, PSI-Bericht Nr. 97-10, 1997.

  4. A. J. Tesoriero, J. F. Pankow, Geochim. Cosmochim. Acta, 60(6) (1996) 1053.

    Article  CAS  Google Scholar 

  5. Y. Terakado, M. Taniguchi, Geochim. J., 40 (2006) 161.

    Article  CAS  Google Scholar 

  6. Y. Yoshida, H. Yoshikawa, T. Nakanishi, Geochem. J., 42 (2008) 295.

    Google Scholar 

  7. E. K. Gnanapragasam, B-A. G. Lewis, Geochim. Cosmochim. Acta, 59(24) (1995) 5103.

    Article  CAS  Google Scholar 

  8. R. C. Arthur, H. Sasamoto, M. Shibata, M. Yui, A. Neyama, JNC Technical Report, JNC TN8400 99-079, 1999.

  9. D. Langmuir, A. C. Riese, Geochim. Cosmochim. Acta, 49 (1985) 1593.

    Article  CAS  Google Scholar 

  10. D. L. Parkhurst, U.S. Geological Survey, Water Resources Investigations Report 95-4227, 1995.

  11. R. D. Shannon, Acta Cryst., A32 (1976) 751.

    CAS  Google Scholar 

  12. J. Kushnir, Geochim. Cosmochim. Acta, 44 (1980) 1471.

    Article  CAS  Google Scholar 

  13. M. Ichikuni, S. Musha, Chem. Geol., 21 (1978) 359.

    Article  CAS  Google Scholar 

  14. K. S. Pitzer, J. Phys. Chem., 77 (1973) 268.

    Article  CAS  Google Scholar 

  15. Y. Yoshida, H. Sasamoto, T. Jintoku, JNC Technical Report, JNC TN8400 2003-043, 2003 (in Japanese).

  16. T. J. Wolery, Lawrence Livermore National Laboratory, UCRLMA-110662PT1, 1992.

Download references

Author information

Author notes

  1. Y. Yoshida

    Present address: Japan Atomic Energy Agency, 4-33, Muramatsu, Tokai-mura, Naka-gun, Ibaraki, 319-1194, Japan

Authors and Affiliations

  1. Inspection Development Corporation, 4-33, Muramatsu, Tokai-mura, Naka-gun, Ibaraki, 319-1112, Japan

    Y. Yoshida

  2. Mitsubishi Material Corporation, 1002-14, Mukohyama, Naka city, Ibaraki, 311-0102, Japan

    T. Nakazawa

  3. Japan Atomic Energy Agency, 4-33, Muramatsu, Tokai-mura, Naka-gun, Ibaraki, 319-1194, Japan

    H. Yoshikawa

  4. Faculty of Science, Kanazawa University, Kakuma, Kanazawa city, Kanazawa, 920-1192, Japan

    T. Nakanishi

Authors
  1. Y. Yoshida
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. T. Nakazawa
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. H. Yoshikawa
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. T. Nakanishi
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Y. Yoshida.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Yoshida, Y., Nakazawa, T., Yoshikawa, H. et al. Partition coefficient of Ra in gypsum. J Radioanal Nucl Chem 280, 541–545 (2009). https://doi.org/10.1007/s10967-009-7470-1

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10967-009-7470-1

Keywords

Search

Navigation