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The long-lived fission product135Cs(T1/2=2.3×106 a)is a very sensitive indicator nuclide to monitor the nuclear leak.AMS is the only effective method to measure 135Cs with high sensitivity.The measurement method was explored by using different forms of samples such as CsF and CsNO3.Preliminary experimental results show that the isobaric interference of 135Ba can be suppressed effectively,
The long-lived fission product 135Cs (T1 / 2 = 2.3 × 106 a) is a very sensitive indicator nuclide to monitor the nuclear leak. AMS is the only effective method to measure 135Cs with high sensitivity. The measurement method was explored by using different forms of samples such as CsF and CsNO3.Preliminary experimental results show that the isobaric interference of 135Ba can be suppressed effectively,