Radiocarbon dating - Search
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    https://en.wikipedia.org › wiki › Radiocarbon_dating

    Radiocarbon dating - Wikipedia

    • Radiocarbon dating (also referred to as carbon dating or carbon-14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon. The method was developed in the late 1940s at the University of Chicago by Willard Libby. It is based on the fact that radiocarbon ( C… See more

    Background

    In 1939, Martin Kamen and Samuel Ruben of the Radiation Laboratory at Berkeley began experiments to determine … See more

    Dating considerations

    The variation in the C/ C ratio in different parts of the carbon exchange reservoir means that a straightforward calculation of the age of a sample based on the amount of C it contains will often give an incorrect result. Ther… See more

    Samples

    Samples for dating need to be converted into a form suitable for measuring the C content; this can mean conversion to gaseous, liquid, or solid form, depending on the measurement technique to be used. Before this … See more

    Measurement and results

    For decades after Libby performed the first radiocarbon dating experiments, the only way to measure the C in a sample was to detect the radioactive decay of individual carbon atoms. In this approach, what is measured i… See more

    Use in archaeology

    A key concept in interpreting radiocarbon dates is archaeological association: what is the true relationship between two or more objects at an archaeological site? It frequently happens that a sample for radiocarbo… See more

    See also

    • Chronological dating, archaeological chronology
    • Geochronology
    • 774–775 carbon-14 spike See more

    Notes

    1. ^ Korff's paper actually referred to slow neutrons, a term that since Korff's time has acquired a more specific meaning, referring to a range of neutron energies that does not overlap with thermal neutrons.
    2. ^ Some of Libby's o… See more

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