Radiometric analysis of micas used in many industries and evaluation of radiological hazards
-
Ferhat Gezer
,
Şeref Turhan
Abstract
Mica group minerals have been utilized in various industries such as paint, cement, rubber, plastic, paper, automotive, cosmetics, textile, etc. due to their unique electrical, thermal, and mechanical properties. In this study, the radiometric properties of 58 mica samples collected from three quarries operated commercially in Turkey were investigated using gamma-ray spectroscopy with an HPGe detector. The average activity concentrations of 226Ra, 232Th, and 40K analyzed in mica samples were found as 12, 44, and 2763 Bq kg−1, respectively. The radon emanation coefficient and radon mass exhalation rate of mica samples varied from 4 to 22% with an average of 10% and 0.4–5.9 µBq kg−1 s−1 with an average of 2.6 µBq kg−1 s−1, respectively. The radiological hazard caused by the utilization of mica samples as raw materials in the cement and concrete industry was evaluated for adults by calculating the gamma index and annual effective dose due to external exposure indoor. The study results revealed that there are no significant radiological hazards associated with the utilization of mica samples as building raw materials.
Acknowledgments
This study was performed within the framework of a doctoral thesis conducted at Çukurova University and supported by The Scientific Research Projects Coordinator Unit (BAP) of Çukurova University (Research Project coded of FEF2012BAP10). The authors remember Prof. Dr. Gülten Günel with respect.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original Paper
- Reactions of ozone and intermediate products of its decomposition with actinides, lanthanides and transition metals in aqueous solutions
- Review
- A review of the alpha radiolysis of extractants for actinide lanthanide separation in spent nuclear fuel reprocessing
- Original Papers
- Third phase formation behaviour of tris(2-methylbutyl) phosphate and tri-n-alkyl phosphates in the extraction of mineral acids and tetravalent metal ions
- Effect of gamma irradiation processing on total phenol and antioxidant capacities of the Iranian extract of propolis
- Radiometric analysis of micas used in many industries and evaluation of radiological hazards
Artikel in diesem Heft
- Frontmatter
- Original Paper
- Reactions of ozone and intermediate products of its decomposition with actinides, lanthanides and transition metals in aqueous solutions
- Review
- A review of the alpha radiolysis of extractants for actinide lanthanide separation in spent nuclear fuel reprocessing
- Original Papers
- Third phase formation behaviour of tris(2-methylbutyl) phosphate and tri-n-alkyl phosphates in the extraction of mineral acids and tetravalent metal ions
- Effect of gamma irradiation processing on total phenol and antioxidant capacities of the Iranian extract of propolis
- Radiometric analysis of micas used in many industries and evaluation of radiological hazards
