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Art Forgeries and Their Detection - the Scientia Review

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Carbon Dating<br />

Carbon dating is <strong>the</strong> use decaying nitrogen of radiocarbon, or Carbon 14, a<br />

common isotope, in order to determine a date around which a painting<br />

was maid. The neutrons commonly produced in cosmic rays form this Car-<br />

bon 14, <strong>and</strong> from that, scientists investigating <strong>the</strong> work of art <strong>and</strong> how old<br />

it is. The carbon has a life span, <strong>and</strong> after a certain point, it starts to decay<br />

at a constant rate, <strong>and</strong> because of its constant decrease in <strong>the</strong> presence of<br />

<strong>the</strong> radiocarbon, <strong>the</strong> age of some artwork could be determined by count-<br />

ing <strong>the</strong> number of remaining carbon 14. This technique is not relatively<br />

useful because it involves destroying a large amount of materials.<br />

Did You<br />

Know?<br />

● About half<br />

<strong>the</strong> amount<br />

of Carbon 14<br />

would have<br />

decayed after<br />

about 5,730<br />

years,

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