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radiocarbon dating dating

radiocarbon dating dating

It is not always possible to recognize re-use. Learn how your comment data is processed. Living organisms from today would have the same amount of carbon as the atmosphere, whereas extremely ancient sources that were once alive, such as coal beds or petroleum, would have none left. 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. Learn more about managing your cookies at Cookies Policy. Share this page:. ChemLuminary Awards Recognizing ACS local sections, divisions and other volunteers for their work in promoting chemistry.

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