Radioactive dating math problems

Posted by / 10-Oct-2018 06:40

Radioactive dating math problems

The age can then be calculated from that slope as follows:.For geologic dating, the age calculation must take into account the presence of the radioactive species at the beginning of the time interval.This can be done by chemical means, but for precise determinations, mass spectrometry can be used.From the radioactive decay equations, an expression for elapsed time can be developed.

This makes several types of radioactive dating feasible.If there is another isotope of the daugther element D' which is presumed to be constant throughout the process, then the population requirement can be expressed in terms of the ratios.We can be reasonably confident that the isotope D' is contant if it is not radioactive not part of one of the natural radioactive series.Have any of the parent or daughter atoms been added or removed during the process?The requirement of keeping the same number of nuclei gives and the radioactive decay relationship is The elapsed time is then but with the use of the first expression above can be expressed in terms of the present concentrations of the parent and daughter isotopes.

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