Radioactive Decay Calculator

Alan Enns, No institutional affiliation, University of British Columbia

This online calculator computes radioactive decay, timed decay, and timed solid disposal for a databank containing 116 isotopes. It also features University of British Columbia disposal limits and a unit converter and date/time calculators. These tools calculate the half-life for selected isotopes; radioactive decay final activity, given the initial activity and decay time; the decay time, given the initial and final activities; and the decay time, given the mass of a solid and the initial activity.

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Subject: Geoscience:Geology:Geochemistry:Radioisotopes
Resource Type: Activities:Classroom Activity:Short Activity, Datasets and Tools:Tools
Grade Level: College Upper (15-16), Graduate/Professional, High School (9-12), College Lower (13-14)
Health Topics: Radionuclides
Topics: Chemistry/Physics/Mathematics, Solid Earth:Geochemistry:Radioisotopes
Theme: Teach the Earth:Course Topics:Geochemistry