Temperature effects on the ethanol-chlorobenzene dosimeter (Dvornik dosimeter) |
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| Affiliation: | 1. Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy;2. Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Via Giuria 9, 10125 Torino, Italy;1. CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China;2. College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China;3. Department of Pharmacology, Xin Hua University of Anhui, Hefei, Anhui 230088, China;1. The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, PR China;2. College of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350108, PR China;3. College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China;4. National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, PR China;1. INN Unit, WHO, Geneva, CH-1211, Switzerland;2. Welwyn, UK;3. Paul Erlich Institute, Langen, Germany;4. School of Pharmacy, University of the Western Cape, Cape Town, South Africa |
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| Abstract: | The effects of elevated temperatures (50 and 80°C) on the dose dependence of the response of the ethanol-chlorobenzene (ECB) dosimeter, namely G(Cl−) values as a function of dose, were studied in the dose range 1–25 kGy. Systems containing 4, 10 and 20 vol% CB showed no dose effects of the response at 50°C and system containing 4 vol% CB showed no dose effect of G(Cl−) at 80°C, when compared with the radiation chemical yield measured for irradiations at room temperature (20°C). Dose dependence of G(Cl−) values in other systems at elevated temperatures were qualitatively similar to those at room temperature; the main difference, however, was that the values of G(Cl−) at elevated temperatures were higher. Larger temperature effects were observed at higher temperatures, higher CB concentrations and lower doses. Correct dosimetry is nevertheless possible with any formulation of the system at any dose or temperature within the studied interval by taking appropriate values of the response, either directly or by interpolation. |
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