2012•Journal of Basic & Applied SciencesOpen access

Radiolysis of Commercial Dyes in Aqueous Solutions to Produce Dosimeters for Gamma Dosimetry

Taqmeem Hussain, Muhammad Yousuf Hussain, Muhammad Shahbaz, INAMUL‐HAQ INAMUL‐HAQ, Hashim Farooq, Shaukat Ali

Abstract

The usability of aqueous solutions of SR C4BLN and SGY CRL dyes; as secondary dosimeter was confirmed. All samples were irradiated by Co60 γ-source in the range 0-105Gy. Absorbance of solutions was noted at λmax for pre and post irradiation stages. The λmax of Red and Yellow dyes were 545nm and 448nm respectively. The absorbance% and the %discoloration of each dye were determined. Sample solutions showed a gradual decrease in Absorbance% and increase in %age discoloration versus absorbed doses.

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Key concepts: Absorbance, Dosimeter, Aqueous solution, Radiolysis, Irradiation, Chemistry, Dosimetry, Absorbed dose