One-half of the total activity in a particular sample is due to 38Cl (t 1/2 = 87.2 min). The other..


One-half of the completion vital-force in a feature specimen is due to 38Cl (t1/2 = 87.2 min). The other half of the vital-force is due to 35S (t1/2 = 37.5 days). The beta pouring of 35S must be measured consequently this nuclide emits no gamma photons. Therefore, it is enviable to wait until the vital-force of the 38Cl has decreased to a negligible raze. How plenteous space must glide-away precedently the vital-force of the 38Cl has decreased to solely 0.1% of the fostering vital-force consequently of 35S?