The carbon isotope 14 c is used for carbon dating of archaeological artifacts

the carbon isotope 14 c is used for carbon dating of archaeological artifacts

InMartin Kamen and Samuel Ruben of the Radiation Laboratory at Berkeley began experiments to determine if any of the elements common in organic matter had isotopes with half-lives long enough to be of value in biomedical research. Influence of isotopic dating or stone tools on two archaeological artifact? The enrichment of bone 13 C also implies that excreted material is depleted in 13 C relative to the diet.

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Older dates have been obtained by using special sample preparation techniques, large samples, and very long measurement times.

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