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As you can see, the range is quite substantial for some calendar years.that certain organic compounds emit light when exposed to radiation.(2) A half-life is the time needed for half the initial number of radioactive nuclei to disintegrate.ten half-lives have past and the amount of 14C in the sample is so small that radiocarbon dating is no longer possible.
Because the concentration of C14 is so minute, it is difficult to use conventional mass spectrometry.
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in the late 1940's by a team of scientists at the University of Chicago who were lead by Professor Willard F. For his work, Libby received the Nobel Prize in Chemistry in 1960.
Today over one hundred thirty laboratories around the world date samples sent into them.