Carbon 14 dating calibration curve

A unique characteristic of 14C is that it is constantly formed in the atmosphere.Production and decay 14C atoms are produced in the upper atmosphere where neutrons from cosmic rays knock a proton from nitrogen-14 atoms.He noted some discrepancies indicating that radiocarbon results would need to be “calibrated” to convert them to calendar ages.de Vries also postulated that the fluctuations were due to the production of 14C and how it changed during variations in cosmic ray production.

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A liquid scintillation measurement needs the carbon to be converted into benzene, and the instrument then measures the flashes of light (scintillations) as the beta particles interact with a phosphor in the benzene.

Hereafter these isotopes will be referred to as 12C, 13C, and 14C.

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