Nitrogen dating archaeology
This means there's been a steady increase in radiocarbon production (which would increase the ratio).
Thus, 1587 is the post quem dating of Shakespeare's play Henry V.
It is naturally unstable and so it will spontaneously decay back into N-14 after a period of time.
It takes about 5,730 years for half of a sample of radiocarbon to decay back into nitrogen.
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For some reason this page that you have tried to access doesn't exist for one or more of the following reasons:a) The ' Gods' didn't like itb) Secret services or Governments didn't like itc) Archaeologists or scientists didn't like itord) this page doesn't exist anymoree) There is a temporary error and in that case PLEASE try again! Make sure that you have spelled the link properly otherwise contact us so that our technicians can have a look!The amount of cosmic rays penetrating the earth's atmosphere is itself affected by things like the earth's magnetic field which deflects cosmic rays.