Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
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Chapter 13, Problem 13.26P
To determine
At what 14 C concentration should the alarm be set?
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Chromium-51 is used in imaging red blood cells and has an effective half-life of 27 days.
If a dose with an activity of 24 μCiμCi is given to a patient, how long will it take for the patient to have less than 3 μCiμCi present?
Estimate the exposure rate 2 m from 4 Ci sources of 57Co,22Na,65Zn?Exposure Rate constant for 57Co=0.9 (R.cm2) / (hr.mCi)Exposure Rate constant for 22Na =12 (R.cm2) / (hr.mCi)Exposure Rate constant for 65Zn =2.7 (R.cm2) / (hr.mCi)
Show that the activity of the 14C in 1.00 g of 12C found in living tissue is 0.250 Bq.
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