Parameter optimization of ultra low background liquid scintillation spectrometer LSA 3000 for low-level tritium determination in water samples

Using an ultra-low background liquid scintillation spectrometer LSA 3000, we optimized the best experimental conditions and measuring methods for measuring the tritium content in water.The optimal measurement pattern, channel and static placing time of the instrument have been carried out by testing low-level tritium water.On the basis of selected parameters, low-level tritium in environmental water samples of Qingdao are measured.