Radioelements
79
Table 3.6
Radioelements in lake sediments
Element
Sample workup
Analytical finish
Reference
Pb210, Cs137
242
Beta particle emitters
and photon emitters
Beta spectrometry
243
Pb21O, & Ra226
Ashing at 450°C
Gamma spectrometry 244,245
Th228, 230, 232
H 2 0 2 digestion
Gamma spectrometry 246