Isotope signature | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-16

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Isotopic_signature


00:00:29 1 Stable isotopes
00:00:47 1.1 Carbon isotopes
00:06:05 1.2 Nitrogen isotopes
00:09:04 1.3 Oxygen isotopes
00:10:29 2 Radiogenic isotopes
00:10:39 2.1 Lead isotopes
00:11:40 3 Radioactive isotopes
00:12:49 4 Applications
00:12:59 4.1 Archaeological studies
00:13:37 4.2 Forensics
00:15:27 4.3 Solar system origins
00:16:25 4.4 Origins of life
00:16:46 5 See also



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SUMMARY
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An isotopic signature (also isotopic fingerprint) is a ratio of non-radiogenic 'stable isotopes', stable radiogenic isotopes, or unstable radioactive isotopes of particular elements in an investigated material. The ratios of isotopes in a sample material are measured by isotope-ratio mass spectrometry against an isotopic reference material. This process is called isotope analysis.