Which carbon isotope is used for radiocarbon dating
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The internationally accepted radiocarbon dating reference is 95% of the activity, in 1950 AD, of the NBS oxalic acid normalized to C activity: » 50 pmc Chemical and isotopc evolution in recharge zone: (Fig) (Fig) Open and closed system conditions ‘real world’ systems are somewhere in between open and closed and the correction models mentioned above and described in Clark and Fritz (chapter 8) have to be applied.
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For example, age of the earth, moon, rocks, and mineral deposits can be determined by using the principle of radioisotopic dating.Nuclear laboratories, awash with funds and prestige, spun off the discovery of an amazing new technique radiocarbon dating.
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