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Understanding the determination of Radon activity
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[QUOTE="gleem, post: 6510411, member: 298988"] Even if you had an isotopically pure sample of Rn222 how would the production of Po218 affect the rate of decay of Rn? Besides ever since the formation of the Earth's supply of U238 daughter nuclei have been/are being produced Because of the extremely long half-life of U238 and the relatively short half-lives of the daughters an equilibrium has occurred in the population of the daughters. At any time the amount of daughter isotopes naturally occurring is constant. [/QUOTE]
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Understanding the determination of Radon activity
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