Conceptid (2) | Preflabel |
---|---|
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 |
SE234TH4 | Activity standard error of thorium-234 {234Th CAS 15065-10-8} per unit volume of the water body [particulate 1-51um phase] by filtration and beta spectroscopy |