I-131 product specifics

Question 1

oldest dx and therp

Answer 1

I-131

Question 2

half life and gamma and beta energy

Answer 2

8 days, gamma=364 kev, beta= 610 kev max

Question 3

what is iodide outside of solution

Answer 3

I2

Question 4

what precautions are taken with I2

Answer 4

-volatile so keep in fume hood vented to outside or pass through charcoal filter to limit exhalation filter to workers and keep at room yemp

Question 5

what is added to radioactive iodine to minimize volatilization

Answer 5

-slightly basic pH (7.5-9.0)
-add sodium thio-sulfate as antioxidant to remove 4I2 +O2+4H

Question 6

sodium iodide I-131 is ordered as capsule or liquid and can be custom_____or standard____

Answer 6

custom= made capsule for spec cal date and dose and time
standard= cal for spec day and mix for desired activity