osmium-187

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osmium-187

isotope

Learn about this topic in these articles:

osmium

In osmium
59 percent), osmium-187 (1.96 percent), osmium-188 (13.24 percent), osmium-189 (16.15 percent), osmium-190 (26.26 percent), and osmium-192 (40.78 percent).
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radioactivity

In spectroscopy: Thermal atomization
…isotope rhenium-187 (¹⁸⁷Re) decays to osmium-187 (¹⁸⁷Os) having a half-life of 43 billion years; hence, the Re-Os system can be used to determine when geologic materials were solidified in Earth.
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