How is carbon dating done

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A sample of the earth also needs to be collected so environmental radiation can be tested.The wetness of the soil and the sample should also be recorded.For instance, it is possible to date the wood support of a panel as well as canvas.The three most important dating techniques which are useful for the analysis of works of art are: Thermoluminescence (TL), Dendrochronology (DC), and Carbon 14 (C15). It dates items between the years 300-10,000 BP (before present).Thermoluminescent Natural radioactivity causes the number of trapped electrons to build up.

Forgers commonly use the bottom of an original broken vessel, which has no commercial value, and make a new fake vessel on top of it.Energy absorbed from ionizing radiation frees electrons to move through the crystal lattice, some of which are trapped at imperfections in the crystal lattice.Later, heating releases the trapped electrons, producing light.Indeed, the figure shows an automatic instrumentation which allows measurement of thermoluminescence light from samples and also the determination of the dose rate per year.This last procedure involves the use of a radioactive source, though very weak.

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