Homework SourseA patient receives an injection of 111108 Bq of 131I 30 of w
A patient receives an injection of 1.11×108 Bq of 131I, 30% of which goes to the thyroid, having a mass of 20 g. What is the average dose rate in the organ?
A patient receives an injection of 1.11×108 Bq of 131I, 30% of which goes to the thyroid, having a mass of 20 g. What is the average dose rate in the organ?
A patient receives an injection of 1.11×108 Bq of 131I, 30% of which goes to the thyroid, having a mass of 20 g. What is the average dose rate in the organ?
Solution
D=1.60×10–10AE Gy s–1
A=(1.11x108x(30/100))/20=1.665x106Bqg-1
E=0.192Mev
=1.60x10-10 (1.665)(0.192Mev)
= 51Gy s–1
