PRELIMINARY MAGNETIC RESONANCE RELAXOMETRIC ANALYSIS OF FRICKE GEL DOSIMETERS PRODUCED WITH POLYVINYL ALCOHOL AND GLUTARALDEHYDE

摘要

This work describes the preliminary analysis of Fricke gels dosimeters characterized by a new formulation making use of a matrix of polyvinyl alcohol cross-linked by adding glutaraldehyde and analyzed by means of nuclear magnetic resonance relaxometry. In previous optical studies, these gels have shown promising dosimetric features in terms of photon sensitivity and low diffusion of ferric ions produced after irradiation.