artificial radionuclides, liquid matrices

Parameter Methode Nachweisgrenze
γ emitters
(60Co, 125Sb, 134Cs, 137Cs, 152Eu, ...)
γ-ray spectrometry 0,020 Bq l-1
3H LSC after distillation 3 Bq l-1
14C LSC after radiochemical separation 0,5 Bq l-1
36Cl LSC after radiochemical separation 0,05 Bq l-1
41Ca LSC after radiochemical separation 0,2 Bq l-1
55Fe LSC after radiochemical separation 0,03 Bq l-1
59/63Ni LSC after radiochemical separation 0,03 Bq l-1
90Sr LSC after radiochemical separation 0,05 Bq l-1
93mNb LSC after radiochemical separation 0,05 Bq l-1
99Tc LSC and ICP-MS after radiochemical separation 0,04 Bq l-1
232Th, Th ICP-MS and α-particle spectrometry after radiochemical separation 0,005 Bq l-1
241Pu LSC after radiochemical separation 0,12 Bq l-1
237Np α-particle spectrometry after radiochemical separation 0,005 Bq l-1
238Pu, 239/240Pu α-particle spectrometry after radiochemical separation 0,001 Bq l-1
241Am, 242Cm, 243/244Cm α-particle spectrometry after radiochemical separation 0,001 Bq l-1
233U, 234U, 235U, 236U, 238U, U ICP-MS and α-particle spectrometry after radiochemical separation 0,001 Bq l-1

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