Journal of Radioanalytical and Nuclear Chemistry

, Volume 314, Issue 2, pp 941–948 | Cite as

Natural radioactivity and hazard-level assessment of Portland cements in Turkey

  • Mehmet Altun
  • Naim Sezgin
  • Semih Nemlioglu
  • Bektas Karakelle
  • Nuri Can
  • Ugur Emre Temelli


The natural radioactivity levels and some radiological parameters of Turkish Portland cements (PC) originated in various regions were determined in this study. The activity concentration of cement samples for 226Ra, 232Th, and 40K were measured using a gamma-ray spectrometer with high purity germanium radiation detector. The PC samples had activity concentrations of 33.0, 16.7, and 239.5 Bq kg−1 for 226Ra, 232Th, and 40K, respectively. The mean value of radium equivalent value (Raeq) was found to be 75.4 Bq kg−1. The radium equivalent values in the cement samples were lower than the acceptable level of 370 Bq kg−1. The calculated radiological parameters were found to be below the acceptance levels.


Natural radioactivity Radiation hazard Gamma spectrometry Cement 



This work was supported by Research Fund of the Istanbul University. Project Number: BYP-53529.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2017

Authors and Affiliations

  • Mehmet Altun
    • 1
  • Naim Sezgin
    • 2
  • Semih Nemlioglu
    • 2
  • Bektas Karakelle
    • 3
  • Nuri Can
    • 2
  • Ugur Emre Temelli
    • 4
  1. 1.Department of Chemistry, Faculty of EngineeringIstanbul UniversityIstanbulTurkey
  2. 2.Department of Environmental Engineering, Faculty of EngineeringIstanbul UniversityIstanbulTurkey
  3. 3.TAEK, Cekmece Nuclear Research, and Training CenterIstanbulTurkey
  4. 4.Property Protection and Security Department, Civil Defense and Fire Fighting Program, Vocational School of Technical SciencesIstanbul UniversityIstanbulTurkey

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