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Mo-99 / Tc-99m generator

A_Tc = 13.52 GBq

A2(t)=fA1(0)λ2λ2−λ1(e−λ1t−e−λ2t)A_2(t)=f A_1(0)\frac{\lambda_2}{\lambda_2-\lambda_1}\left(e^{-\lambda_1 t}-e^{-\lambda_2 t}\right)

Daughter activity in transient equilibrium after ingrowth time.

Laser