EPR study of gamma irradiated N-methyl taurine (C3H9NO3S) and sodium hydrogen sulphate monohydrate (NaHSO3·H2O) single crystals

EPR study of gamma irradiated C3H9NO3S and NaHSO3.H2O single crystals have been carried out at room temperature. There is one site for the radicals in C3H9NO3S and two magnetically distinct sites for the radicals in NaHSO3. The observed lines in the EPR spectra have been attributed to the species of SO3− and RH radicals for N-methyl taurine, and to the SO3− and OH radicals for sodium hydrogen sulfate monohydrate single crystals. The principal values of the g for SO3−, the hyperfine values of RH and OH proton splitting have been calculated and discussed.