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01-Feb-2020 22:32

Radiocarbon Basics Carbon comes in three “varieties” or isotopes: C is 5,730 years.Because carbon is expected to be thoroughly mixed throughout the biosphere, atmosphere, and oceans, living organisms (which continually “take in” carbon throughout their lifetimes) are expected to have the same C in their bodies begins to decrease.Smallest Detectable Amount of Radiocarbon Sensitive instruments called acceleration mass spectrometers (AMS) are used to count the C/C ratio in a sample drops below 0.001 p MC?

About nine half-lives would have to elapse for a starting value of 100 p MC to decrease to 0.2 p MC.In principle, this decay rate may be used to “date” the time since an organism’s death.