Radiation protection becomes a necessary action in radiology, Nuclear Medicine, Radiotherapy and other institutions which make use of radiation. The aim of this work is to evaluate the radiation protection features of cobalt-doped borate glass with La2O3 additive. The glasses named here as S1, S2, S3, S4 and S5 with 0, 0.5, 1, 1.5 and 2 mol% of La2O3 respectively were assessed for their Linear Attenuation Coefficient, LAC, Mass Attenuation Coefficient, MAC, Half value Layer, HVL and Effective Atomic Number Zeff. We found that the glasses have LAC, MAC and Zeff higher than ordinary concrete and Ilmenite concrete, especially S3 which has the concentration of 1 mol% of La2O3 and has lowest HVL at lower energies below 0.1 MeV and above 4 MeV than the other samples, and also found that S5 with 2 mol% of La2O3 is more advantageous for energy range 0.1 - 4 MeV. We therefore concluded the applicability of these glasses for radiation shielding and that the addition of La2O3 increases their radiation protection features.
Research on glass systems for radiation shielding involves the fabrication of different samples in a sequential manner. In order to determine their shielding properties their densities have to be found experimentally. This procedure causes time and capital consumption and is associated with health risk due to the biological harms of some chemicals involved in it. Therefore, the objective of this work is to reduce the cost, time and health risks by developing a mathematical model to calculate the density of MoO3 - B2O3 - Bi2O3 glass system from weight percentages of its components using Phy-X/PSD software and Python Programming. The input needed are the densities and percentage weights of the constituent components. The coding made in Python programming language to test the formula shows its ability to reproduce or predict densities of the required samples of this glass system with accuracy within 99.59 – 99.88%. Therefore, making use of this formula will simplify the difficulty of refabricating glasses defined by the expression yMoO3 - xB2O3 - (100 – y – x) Bi2O3 for research purposes, which will reduce the financial cost and health risks.
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