A living plant contains approximately the same fraction of carbon-14 as in atmospheric
Chapter 19, Problem 19.57(choose chapter or problem)
A living plant contains approximately the same fraction of carbon-14 as in atmospheric carbon dioxide. Assuming that the observed rate of decay of carbon-14 from a living plant is 13.6 counts per minute per gram of carbon, how many counts per minute per gram of carbon will be measured from a 15,000-year-old sample? Will radiocarbon dating work well for small samples of 10 mg or less? (For 14C, t1y2 5 5730 years.)
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