Radiocarbon dating assumes that the carbon 14carbon 12 ratio


26-Dec-2019 21:11

radiocarbon dating assumes that the carbon 14carbon 12 ratio-58

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While the small variations in isotope decay that have been reported may not invalidate all isotopic dating, they raise questions about the assumption of completely uniform decay rates.

A second assumption is that the sample being dated has not experienced any loss or contamination of C over its history.

Carbon-14 dates usually appear to be reasonably accurate whenever they can be checked against historical records.

For example, when the Dead Sea Scrolls were dated, three methods could be used: 1) Dates written in the documents themselves (like the date at the start of a letter) 2) Paleography, which uses the style of script used to write documents to date them, and 3) Carbon-14.

radiocarbon dating assumes that the carbon 14carbon 12 ratio-53

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It is known that such variations have occurred, but it is thought they can be corrected for by comparing a sample’s C level with the standard curve constructed using samples of known age.



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