Dating and Authenticating Works of Art by Measurement of Natural Alpha Emitters

@article{Keisch1967DatingAA,
  title={Dating and Authenticating Works of Art by Measurement of Natural Alpha Emitters},
  author={Bernard Keisch and Robert L. Feller and Alvin S. Levine and Raymond R. Edwards},
  journal={Science},
  year={1967},
  volume={155},
  pages={1238 - 1242}
}
A method for distinguishing between modern and old samples of lead has been used to analyze certain works of art. The basis of the method is the detection of radioactive lead-210, which decays with a 22-year half-life when it is unsupported by its long-lived precursor, radium-226. The latter is separated chemically from lead when lead and lead products are prepared from the ore. 

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