<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents the results of natural radionuclide concentration and activity index study in materials used for construction in Latvia. Special attention is given to clay and clay ceramics. Concentrations of K-40 and Th- 232, U-238 radioactivity were determined using gamma-spectrometry method. In some building ware, maximal concentration of K-40 was 1440 Bq/kg, and of U-238 - 175 Bq/kg. In granite, the determined maximum concentration of Th-232 was 210 Bq/kg. It was found that radionuclide content in different period clay deposits can differ by more than two times, and up to five times in different clay ceramics. The results obtained are compared with analogous data from the other Baltic and North European countries.</p></abstract>

This paper presents the results of natural radionuclide concentration and activity index study in materials used for construction in Latvia. Special attention is given to clay and clay ceramics. Concentrations of K-40 and Th- 232, U-238 radioactivity were determined using gamma-spectrometry method. In some building ware, maximal concentration of K-40 was 1440 Bq/kg, and of U-238 - 175 Bq/kg. In granite, the determined maximum concentration of Th-232 was 210 Bq/kg. It was found that radionuclide content in different period clay deposits can differ by more than two times, and up to five times in different clay ceramics. The results obtained are compared with analogous data from the other Baltic and North European countries.

Natural Radioactivity in Clay and Building Materials Used in Latvia

Institute of Solid State Physics, University of Latvia, 8 Kengaraga Str., Riga, LV-1063, LATVIA

Institute of Silicate Materials Science, Riga Technical University, 14/24 Azenes Str., Riga, LV-1048, LATVIA

Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga, LV-1586, LATVIA

Latvian Journal of Physics and Technical Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Natural Radioactivity in Clay and Building Materials Used in Latvia"}

This paper presents the results of natural radionuclide concentration and activity index study in materials used for construction in Latvia. Special attention...

Natural Radioactivity in Clay and Building Materials Used in Latvia

Publié en ligne: 24 juil. 2015

Pages: 58 - 66

DOI: https://doi.org/10.1515/lpts-2015-0018

Mots clés
Activity index, building materials, clay, environment, natural radionuclides.

© by D. Riekstina

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Natural Radioactivity in Clay and Building Materials Used in Latvia

Publié en ligne: 24 juil. 2015

Pages: 58 - 66

DOI: https://doi.org/10.1515/lpts-2015-0018

Mots clésActivity index, building materials, clay, environment, natural radionuclides.

© by D. Riekstina

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Activity index, building materials, clay, environment, natural radionuclides.