Facility for Removal and Determination of Labile Tritium

Abstract

Tritium bonded to electrophilic atoms like O, S, N or halogens can spontaneously exchange places with hydrogen from the water. These tritium species are exchanged even at a very low temperature and have the generic name`labile'. In this paper, a new facility for the removal and quantitative determination of labile tritium is shown. The working principle is as follows: tritium sources are brought in contact with protic solvent, leading to a spontaneous exchange of labile tritium, then the obtained tritiated solvent is extracted by distillation. The new facility was tested for removal eciency of labile tritium from labeled compounds and wastes with dierent compositions.

Synthesis of Tritium Labelled Thymidine and Uridine

“…The labile tritium was removed from the labelled thymidine and uridine by multiple dissolution in ethanol/evaporation at vacuum using a dedicated rotary evaporator (Tuta et al, 2015). The number of dissolution-evaporation steps was 10.…”