artificial radionuclides, solid matrices

Parameter Methode Nachweisgrenze
γ emitters
(60Co, 125Sb, 134Cs, 137Cs, 152Eu, ...)
γ-ray spectrometry 0,001 Bq g-1
3H LSC after combustion 0,10 Bq g-1
3H, exchangeable LSC after slurring and distillation 0,005 Bq g-1
14C LSC after combustion 0,01 Bq g-1
36Cl LSC after radiochemical separation 0,002 Bq g-1
41Ca LSC after radiochemical separation 0,01 Bq g-1
55Fe LSC after radiochemical separation 0,03 Bq g-1
59/63Ni LSC after radiochemical separation 0,03 Bq g-1
90Sr LSC after radiochemical separation 0,006 Bq g-1
93mNb LSC after radiochemical separation 0,05 Bq g-1
99Tc LSC and ICP-MS after radiochemical separation 0,04 Bq g-1
232Th, Th ICP-MS and α-particle spectrometry after radiochemical separation 0,001 Bq g-1
241Pu LSC after radiochemical separation 0,12 Bq g-1
237Np α-particle spectrometry after radiochemical separation 0,5 Bq g-1
238Pu, 239/240Pu α-particle spectrometry after radiochemical separation 0,001 Bq g-1
241Am, 242Cm, 243/244Cm α-particle spectrometry after radiochemical separation 0,001 Bq g-1
233U, 234U, 235U, 236U, 238U, U ICP-MS and α-particle spectrometry after radiochemical separation 0,001 Bq g-1

ICP-MS – Mass Spectrometry with Inductively Coupled Plasma
LSC – Liquid Scintillation Counting