HALF LIFE

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  • It takes 7-10 half lives to decay to background levels.
  • Material never decays to “ZERO.”
  • Use half life to determine how much remains for your research.
  • Use it to establish the best waste disposal practice.
RadionuclideHalf-Life
P-3214 days
H-312.3 years
C-145,770 years
P-3325.4 days
S-3588 days
I-12560 days
I-1318 days


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