Does carbon dating not work metal
Libby received the Nobel Prize in Chemistry for his work in 1960.The radiocarbon dating method is based on the fact that radiocarbon is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen.You might get some use out of testing the trace elements in a coin to see how the smelting was done or the toll marks in stamping it but as far as i know the only methos that might work is radiometric dating and i dont know if thats accurate at the relatively short age (ie a couple of hundred years) of most coins. Anyway the dating systems used for metals are based on measurement of the covering film [thickness and composition].
Other corrections must be made to account for the proportion of throughout the biosphere (reservoir effects).
Any help/suggestion much appreciated Surely carbon dating wouldnt work since coins are metal and any carbon would have burned off during the smelting?
Theres no orhanic material in a coin, it would only work on organic samples like cloth or wood.
Measurement of radiocarbon was originally done by beta-counting devices, which counted the amount of beta radiation emitted by decaying atoms in the sample and not just the few that happen to decay during the measurements; it can therefore be used with much smaller samples (as small as individual plant seeds), and gives results much more quickly.
The development of radiocarbon dating has had a profound impact on archaeology.
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Anyway also in similar cases it's important to check that it's not a forgery a hoax, so also if the coin declares its date, to control it is important. Anyway the dating systems used for metals are based on measurement of the covering film [thickness and composition].