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oxygen-18 |
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oxygen-18 [′äk·sə·jən ā′tēn] (nuclear physics) Oxygen isotope with atomic weight 18; found 8 parts to 10,000 of oxygen-16 in water, air, and rocks; used in tracer experiments. Also known as heavy oxygen. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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These biases arise from memory effects in ion sources and affect the reliability and comparability of carbon-13 and oxygen-18 measurements used in studies requiring high interlaboratory reproducibility, including research relevant to climate change. Key among those techniques is the measurement of the ratio of oxygen-16 and oxygen-18 isotopes deposited in stalagmites in the unchanging temperatures of deep caves. And there's enough oxygen-18 in the body to supply all the gold The Goose produces. |
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