Example 2 Initial activity of an 123I sample th 13 h injected in the blood is 480 MBq After 12 h measured activity is 20 MBq l Assuming the volume of the
Say the growth factor g is 1 2 since it 39 s half life and the time t is in years divided by the half life term in h to ensure that the impact of the time is being reduced
Page 2 Decay Series 230Th 226Ra 230Th 226Ra Peucker Ehrenbrink 2012 2 Rearrange 5 26Mg 24Mgt 26Mg 24Mg0 26Al 27Al t 27Al 24Mg t
physical half life is designated tphys or more commonly t1 2 μsec msec sec hr min days weeks months years centuries millennia and even as long as a
Algebra 2 7 8 Practice Name Date Kyment Period AE sekt 1 7 5 hrs t 2 RADIOACTIVE DECAY A radioactive substance has a half life of 32 years
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