Effect of the structure of frozen solutions of H2SO4 on radiothermoluminescence |
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| Authors: | S V Lotnik L A Khamidullina V P Kazakov |
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| Institution: | (1) Institute of Organic Chemistry, Ufa Scientific Center of the Russian Academy of Sciences, 71 prosp. Oktyabrya, 450054 Ufa, Russian Federation |
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| Abstract: | A pronounced effect of structural heterogeneity (cracks) of glass-like solutions of 4.9M H2SO4 on their radiothermoluminescence (RTL) was found. In  perfect glasses one RTL peak was observed at 115 K. Additional luminescence peaks appeared at 165, 195, and 240 K in glasses having cracks. The effect observed was explained by elevated thermal stability of the SO4
– radical stabilized on the surface of sulfuric acid crystal hydrates: H2SO4 · 4H2O and H2SO4· 6.5H2O.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 6, pp. 1566–1568, June, 1996. |
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| Keywords: | radiolysis radiothermoluminescence differential thermal analysis glass SO4
– radical |
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