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Measurement of gross alpha and gross beta activities at low alpha-to-beta activity ratios using LSC- a method for
K Norlin1, H Ramebäck1, A Tovedal1
1Swedish Defense Research Agency (FOI), CBRN Defense and Security, SE-164 90, Stockholm, Sweden.
Abstract:
A method for the measurement of gross alpha and gross beta activities for low alpha-to-beta activity ratios is presented. Measurement of the gross alpha activity would still be important from an internal dose perspective when the gross beta activity is dominating, since a significant dose contribution may come from alpha emitting radionuclides. The method is intended for screening of drinking water after a radiological emergency when many samples would be valuable to be measured during a short period of time.
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