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- Title
Gamma radiolysis of erythrosine dye in aqueous solutions.
- Authors
Zaouak, A.; Noomen, A.; Jelassi, H.
- Abstract
Degradation and decolouration of erythrosine dye using gamma radiation was investigated. In addition, the effects of radiation doses on UV–visible spectroscopy, pH, chemical oxygen demand (COD), total inorganic carbon (TOC), kinetic study and colourimetric analysis also were studied. The absorption band located at λ = 528 nm and the value of the colour difference (ΔE*) increase with increasing absorbed dose. Kinetic study showed that the erythrosine degradation was pseudo-first order. The removal efficiency of the food colouring, COD and TOC reached 97% and 81% at 15 kGy, respectively.
- Subjects
RADIOLYSIS; AQUEOUS solutions; GAMMA rays; CHEMICAL oxygen demand; ABSORBED dose; ULTRAVIOLET-visible spectroscopy
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2019, Vol 321, Issue 3, p965
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-019-06671-x