Abstract

A common difficulty encountered in electron-apin-reso nance investigations of materials irradiated by high-energy radiations is the appearance of the electron-spin-resonance spectrum of irradiated glass or quartz tubes containing the samples. This difficulty was avoided by using internally emitted T beta particles se the source. Solutions of tritium oxide in water, deuterinm oxide and water, plus deuterium oxide mixtures with activities 100 mc/ nil and 1 curie/nil, were frozen in glass tubes in liquid nitrogen, and the electron-spin-resonance spectra of the samples were examined at the liquid- nitrogen temperature. After applying doses of radiation up to 5 x lO/sup 20/ sv/ ml, no effects of the irradiated glass on electron-spin-resonsnce spectra were observed. (C.H.)

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