Thermal stability and radiation resistance of trifluoromethyl phenyl sulfone in the presence of nitric acid

E. V. Belova; E. R. Nazin; I. V. Skvortsov; I. P. Sokolov; A. V. Rodin; S. V. Stefanovsky; B. F. Myasoedov

doi:10.1134/S1066362216050076

Thermal stability and radiation resistance of trifluoromethyl phenyl sulfone in the presence of nitric acid

Authors: Belova E.V.¹, Nazin E.R.², Skvortsov I.V.¹, Sokolov I.P.², Rodin A.V.², Stefanovsky S.V.¹, Myasoedov B.F.¹
Affiliations:
1. Frumkin Institute of Physical Chemistry and Electrochemistry
2. Scientific and Technical Center for Nuclear and Radiation Safety
Issue: Vol 58, No 5 (2016)
Pages: 486-490
Section: Article
URL: https://journals.rcsi.science/1066-3622/article/view/223508
DOI: https://doi.org/10.1134/S1066362216050076
ID: 223508

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Abstract

The effect of HNO₃ on the thermal stability and radiation resistance of trifluoromethyl phenyl sulfone (FS-13) used as extractant diluent in high-level waste partitioning was studied. Heating of FS-13 in the presence of 14 M HNO₃ is not accompanied by exothermic effects up to 160°С. The amount of gaseous products released in the course of heating the system consisting of FS-13 and HNO₃ and the composition of the major radiolysis products of the system components at irradiation doses of up to 0.5 MGy were determined.

Keywords

trifluoromethyl phenyl sulfone, concentrated nitric acid, irradiation, thermolysis, gas evolution

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Thermal stability and radiation resistance of trifluoromethyl phenyl sulfone in the presence of nitric acid

Full Text

Abstract

Keywords

About the authors

E. V. Belova

E. R. Nazin

I. V. Skvortsov

I. P. Sokolov

A. V. Rodin

S. V. Stefanovsky

B. F. Myasoedov

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