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The Effect Of Salt Concentration On Absorbance And Conductance Of Fricke Dosimeter

Shamoon Al Islam (), Zunaira Javaid, Abdul Ghaffa and Yasir Jamil
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Shamoon Al Islam: Gemmological Institute, China University of Geosciences, Wuhan, 430074, P. R. China
Zunaira Javaid: Department of Physics, University of Agriculture, Faisalabad 38000 Pakistan
Abdul Ghaffa: Department of Physics, University of Agriculture, Faisalabad 38000 Pakistan
Yasir Jamil: Department of Physics, University of Agriculture, Faisalabad 38000 PakistanAuthor-Name: Nasim Akhter Warraich

Acta Chemica Malaysia (ACMY), 2018, vol. 2, issue 2, 15-22

Abstract: An instrument used to detect, and measure radiation dose is called radiation dosimeter. However, it should be reasonably sensitive to irradiation exposure, chemical transformation yield (expressed as G-value) must be sufficiently high, adequate reproducibility, and having stability of chemical solution before and after irradiation is called ideal dosimeter. A dosimeter meeting all these basic requirements is referred as “Fricke dosimeter” proposed a chemical dosimeter based on oxidation of ferrous ions in acidic aerated medium. It had maximum stability and reproducibility and most widely accepted as a standard in measurement of radiation dose. The range of Fricke dosimeter at 304 nm is 4 to 40 K rad. In this research work, absorbance efficiency and change in conductance of Fricke dosimeter has been estimated when we change the concentration of salt. Cesium CS-137 source has been used as gamma radiation source. The change in absorbance and electrical Conductivity verses time was measured individually.

Keywords: Gamma, Radiation; Dosimeter, Fricke (search for similar items in EconPapers)
Date: 2018
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DOI: 10.26480/acmy.02.2018.15.22

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