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Effect of the structure of frozen solutions of H2SO4 on radiothermoluminescence (1996)

Lotnik, S. V. ; Khamidullina, L. A. ; Kazakov, V. P.

Springer

Russian chemical bulletin 45 (1996), S. 1495-1497

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ISSN: 1573-9171

Keywords: radiolysis ; radiothermoluminescence ; differential thermal analysis ; glass ; SO4 − radical

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: 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.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01434243

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