14 carbon dating

14 carbon dating

Radiocarbon, or carbon 14, is an isotope of the element carbon that is unstable and weakly radioactive.

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A separate issue, related to re-use, is that of lengthy use, or delayed deposition.

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These improved field methods were sometimes motivated by attempts to prove that a 14 C date was incorrect.

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Contamination is of particular concern when dating very old material obtained from archaeological excavations and great care is needed in the specimen selection and preparation.

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Description: The method was developed in the late s by Willard Libbywho received the Nobel Prize in Chemistry for his work in Coal and oil began to be burned in large quantities during the 19th century.