Using Gamma-Ray to Determine the Homogeneity of Some Building Materials

Laith A. Najam^1, , Ahmed K. Mheemeed² and Isra.a M. Hassan¹

¹Department of Physics, College of Science, University of Mosul, Iraq

²Department of Physics, College of Education, University of Mosul, Iraq

Cite this paper:
Laith A. Najam, Ahmed K. Mheemeed and Isra.a M. Hassan. Using Gamma-Ray to Determine the Homogeneity of Some Building Materials. International Journal of Physics. 2014; 2(1):23-29. doi: 10.12691/ijp-2-1-5

Abstract

In this paper, we use a narrow collimated beam of mono- energetic gamma rays emitted from the radioactive source ¹³⁷Cs (662 keV) and the system of measuring gamma rays UCS-20 associated with the sodium iodide detector NaI (Tl) to determine the homogeneity of the building materials, Granite, Marble, Cement, Ceramic and Bricks. The homogeneity test was determined from the percentage difference between the transmitted intensity of gamma-rays and the linear attenuation coefficient at different positions for each sample of the material then the percentage of standard deviation was checked.

Keywords:
gamma-ray homogeneity building materials sodium iodide detector NaI (Tl)

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