The Scientific World Journal / 2013 / Article / Tab 2

Research Article

Efficiency Analysis and Comparison of Different Radon Progeny Measurement Methods

Table 2

Experimental results of different methods.

Sampling time MethodsEEC (Bq/m3)Uncertainty (%)Concentration (Bq/m3)
218Po 214Pb 214Bi

5 min1Thomas ( )37413.3322635394158
2Nazaroff ( )39531.1415141063690
39881.2461941973531

10 min3Kerr ( )39701.2684534953819
4 (8)39443.0302837724431
(10)40021.9340939124289
5 (8)39151.4556736873768
(10)39081.0556736683776
6 (1)39791.1556939883527
7 (8)39960.4556939773588
(10)40900.4563040973654

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