Enter the half-life and the molar mass of a radionuclide into the calculator to determine the specific activity.
Specific Activity Formula
The following formula is used to calculate a specific activity.
a = 1.32X10^16 / (T1/2 * M)
- Where a is the specific activity (Bq/g)
- T1/2 is the half life (years)
- M is the molar mass (g/mol)
Specific Activity Definition
A specific activity is a measure of activity per quantity of a radionuclide. Activity is a measure of the number of radioactive transformations per second that occur.
Specific Activity Example
How to calculate specific activity?
- First, determine the half life.
Calculate the half life of the nuclide. You can used the calculator linked above for more help on thin.
- Next, determine the molar mass.
Calculate or measure the molar mass in grams per mole.
- Finally, calculate the specific activity.
Calculate the specific activity using the formula above.
A radionuclide is the nucleus of a radioactive material.
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