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It is very important that the shielding material used in radiation treatment and imaging centers can effectively protect against radiation and that this material is cost-effective. Therefore, studies are underway on the development of different types of shielding materials. In this study, radiation absorption properties of sodium tungstate (Na2WO4) and sodium molybdate (Na2MoO4) coated wall papers were investigated. The beta radiation absorption properties of these elements which are applied on wall papers in different densities (100% precipitated calcium carbonate (PCC), 2.5 g, 5 g, and 7.5 g amounts of Na2WO4 and Na2MoO4 and various thicknesses (0.172-0.258 mm) were investigated. The wallpapers were irradiated with 4 MeV-energized electrons and measurements were taken with the PTW brand electron detector. The linear absorption coefficients of the wallpapers were obtained and half value layer (HVL) and one-tenth value layer (TVL) were calculated from these results. According to the results, it is observed that the beta radiation absorption properties of these wallpapers increase as the density of Na2WO4 and Na2MoO4 increases and as the coating thickness increases in the coating materials used to cover the surface of the wallpapers.

Investigation of Beta Radiation Absorption Properties of Tungstate and Molybdate Doped Wallpapers