Figure 2. Sealed-cup technique in water sample

From

Measurement of Radon Gas Concentration in Tap Water Samples in Wassit Governorate by Using Nuclear Track Detector (CR-39)

Laith Ahmed Najam, Mahmood Salim Karim, Taghreed Khalid Hameed

International Journal of Physics. 2016, 4(5), 119-122 doi:10.12691/ijp-4-5-1