Paper Title
Understanding of Tritium Behavior toward Sediments in Aquatic Ecosystem

Abstract
Tritium is one of the hydrogen isotopes that can be produced either by a cosmic ray or human activities such as nuclear facilities and chemical industries. Recent studies [1]–[4] have shown that tritium can be bounded with organic matter and possibly with nanoparticles in aquatic ecosystems. Organically bound tritium can be trapped into sediments and lead to a potential ecotoxicity. The objectives of this study were to perform preliminary investigations on the effect of key parameters likely to affect the behavior of tritium in the Rhine river, (France), and to give some insight into tritium adsorption by the sediment, in the absence or presence of natural organic matter. Sediment collected from the river system was taken as a model and used in experiments of tritium adsorption. Keywords - Organically Bound Tritium, Tritium.