Conceptid (2) | Preflabel |
---|---|
DSETH228 | Activity standard error of thorium-228 {228Th CAS 14274-82-9} per unit volume of the water body [dissolved plus reactive particulate <1um phase] by filtration |
PSETH228 | Activity standard error of thorium-228 {228Th CAS 14274-82-9} per unit volume of the water body [particulate 1-51um phase] by filtration |