| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1887447 | Radiation Physics and Chemistry | 2007 | 4 Pages |
Abstract
The dosimetry characteristics of various solutions of tetrazolium violet, TV, (2,5-diphenyl-3-(1-naphthyl)-2H-tetrazolium chloride) to gamma irradiation are reported. The optical absorption spectra of these solutions show peaks between 400 and 600Â nm with a shoulder at around 550Â nm. The dose response of the optical absorbance values of aqueous and aqueous-alcoholic solutions containing different concentrations of TV was measured in the 250Â Gy up to 75Â kGy dose range. The formation of formazan product was observed due to radiolytic reduction in both solutions. Its formation was found more pronounced in N2-saturated as well as in alkaline solutions. The results indicate that the 1Â mM TV solution can be used for food irradiation and medical sterilization dosimetry at gamma irradiation facilities.
Related Topics
Physical Sciences and Engineering
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Radiation
Authors
G. Emi-Reynolds, András Kovács, J.J. Fletcher,