Preferred Label : secular equilibrium;
IUPAC definition : radioactive equilibrium where the half life of the precursor isotope is so long that
the change of its activity can be ignored during the period of interest and all activities
remain constant.;
Origin ID : S05532;
See also
radioactive equilibrium where the half life of the precursor isotope is so long that
the change of its activity can be ignored during the period of interest and all activities
remain constant.
