Activity of thorium-234 {234Th CAS 15065-10-8} per unit volume of the water body [dissolved plus reactive particulate <unknown phase] DissTh234_<unknown Number of disintegrations of 234Th nucleii dissolved in unit volume of a water body per unit time. 2017-04-19 11:15:42.0 SDN:P01::A234THDX SDN:P01::A234THDX SDN:P01::A234THDX 3 3 2017-04-19 11:15:42.0 accepted false