Resumo

MAJEED, M. A.. Radiation shielding parameterizations of FeSO₄, CuSO₄, NiSO₄ and ZnSO₄ Compounds: using (XRF) technique and Monte Carlo FLUKA approach. Rev. mex. fis. [online]. 2024, vol.70, n.4, e040401.  Epub 12-Set-2025. ISSN 0035-001X.  https://doi.org/10.31349/revmexfis.70.040401.

The mass attenuation coefficient (MAC) for different sulphate compounds can be estimated by using the Energy Dispersive X-ray Fluorescence (EDXRF), also known as X-ray Fluorescence (XRF) technique. The X-ray photons emitted have different energies depending on incident photon energy, atomic weight, and molecular structure of tested material. The excitation energy of the gamma rays source with 59.53 keV was obtained by using 241Am (40 μci). The (MAC) for sulphate compounds of a different element (Fe, Ni, Cu, Zn) have been calculated by measuring the intensity difference for kα in pure elements and their compounds. The determined results showed that the maximum value for (μm) was in FeSO4. These results are consistent with the theoretical value obtained by the XCOM software in addition to investigating the wide energy response of photon interaction with the introduced compounds using the FLUKA Monte Carlo simulation software. The mass attenuation coefficient (MAC) of these compounds is numerically evaluated in the energy range 0.015-15 MeV using the FLAIR code. The computed (μm) is used to generate significant radiation protection factors such as the linear attenuation coefficient (LAC), half-layer value (HVL), effective (Zeff), and equivalent (Zeq) atomic number. For studying the shielding effectiveness and efficiency, for fast and thermal neutron radiation, the removal cross-section ƩR was given.

Palavras-chave : Scanning electronic microscope; X-ray fluorescent; sulphate compounds; mass attenuation coefficient (μm) and FLUKA Monte Carlo approach.

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