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Behavior of NAFION Perfluorosulfonate Ionomer Membranes in Presence of Tritiated Water

Lidia Matei, C. Postolache, I. Cristescu, S. Brad

Fusion Science and Technology / Volume 54 / Number 2 / August 2008 / Pages 475-478

Technical Paper / Water Processing

The behavior of NAFION membrane was analyzed in presence of high activity tritiated water. The fundamental radiolytical processes have been analyzed by simulation, using quantum mechanical methods. NAFION and PTFE samples were immersed in water and exposed to gamma radiation fields. The samples were characterized by FTIR spectrometry and fluoride emissions. Self radiolytical processes were analyzed by storage of NAFION in high activity triatiated water. The induced modification analyses were carried out using FTIR and fluoride emissions characterization. The experimental results were correlated with quantum-chemical simulations.

 
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