Dating archaeological artifacts wrt110 validating identity
A few nanograms of the sample surface stick to the electrode, which is then dipped into an aqueous electrolyte. Copper oxide microparticles result in very characteristic peaks in the resulting current–voltage curves.
Of particular interest to the researchers is the ratio of the current peaks for tenorite and cuprite.
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More recently is the radiocarbon date of 1950 AD or before present, BP.
There are two techniques for dating in archaeological sites: relative and absolute dating.
How can the age of archeological objects be determined if the well-established carbon dating method does not apply, for example for metal objects?
Spanish and Portuguese scientists have introduced a technique for dating artifacts made of copper and bronze.