Radiocarbon dating after 1950

Posted by / 07-Nov-2019 22:55

It is presumed that the proportion of atmospheric C is the same today as it was in 1950 (10), (11) and that the half-life remains the same.

Therefore, any expression of “before present” will mean “before 1950”.

Radiocarbon dating may only be used on organic materials.

Typically (6): The above list is not exhaustive; most organic material is suitable so long as it is of sufficient age and has not mineralised - dinosaur bones are out as they no longer have any carbon left.

The sample passes through several accelerators in order to remove as many atoms as possible until the C pass into the detector.

These latter atoms are used as part of the calibration process to measure the relative number of isotopes (9).

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