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Carbon-14 dating, also known as radiocarbon dating, is a method of calculating the approximate age of a sample based on the decay of carbon-14. This principle is typically used to determine the age of paleontological fossils.
In simpler terms, living organisms constantly replenish their carbon-14 through respiration, keeping the level constant. After a plant or animal dies, the carbon-14 in its body begins to decay, which allows its age to be determined.
Banknotes are primarily made from cotton pulp, sometimes mixed with linen pulp, chemical wood pulp, and so on. The components within them can be used for carbon-14 dating.
However, the biggest problem with this method is its lack of precision, although the closer it is to the modern era, the higher the accuracy.
