Tartrazine Solution as Dosimeter for Gamma Radiation Measurement

• Autorzy: Gobara M. , Baraka A.
• Języki publikacji: EN

Abstrakty

EN

In this study, Tartrazine aqueous solution was investigated as a simple low-dose dosimeter in the range of 20-500 Gy for the high ionizing radiation, gamma ray. Gradual bleaching of Tartarzine solution was observed with dose by measuring the absorbance of Tartarzine-solutions at specified wavelength, λ_max = 428 nm. Tartrazine concentration (10^–4, 5 ×10^–4 and 10^–3 M) and solution-initial pH value (5, 7 and 9) were considered as factors affecting degree of bleaching. It was found that Tartarzine-solution color was diminished gradually with selected dose range due to breakdown of the azo bond. The rate of bleaching increases with the increase of solution-initial pH. Increase of Tartarzine-concentration causes widening of range to which solution is susceptible. The post-irradiated effect (24 hours) was found to cause more bleaching. The sensitivity of Tartrazine solution is not regular with the Tartarzine-concentration and regular with pH.

Słowa kluczowe

EN

gamma radiation; degradation; sensitivity; tartrazine; dosimeter

• Wydawca: Przedsiębiorstwo Wydawnictw Naukowych "DARWIN"
• Czasopismo: International Letters of Chemistry, Physics and Astronomy
• Rocznik: 2014
• Tom: Vol. 14, iss. 1
• Strony: 106--117
• Opis fizyczny: Bibliogr. 20 poz., tab., wz..

Twórcy

autor

Gobara M.

• Egyptian Armed Forces, Kobbry Elkobba, Cairo, Egypt

autor

Baraka A.

• Egyptian Armed Forces, Kobbry Elkobba, Cairo, Egypt

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