FIELD: reclamation of radioactive waste. SUBSTANCE: technique determining activity of tritium in container with radioactive waste which contains certain amount of radioactive waste and free space consists in determination of quantity of 3He, formed as result of decay of tritium contained in radioactive waster in the course of certain time period and in computation of activity of tritium contained in radioactive waste on its basis. EFFECT: enhanced sensitivity of analyzer and possibility of nondestructive investigation. 8 cl, 1 dwg
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