Simultaneous Measurement Of Radon And Thoron Exhalation Rate From Soil And Building Materials
Simultaneous measurement of radon and thoron exhalation rate from soil and building materials
C. Cosma, O. Cozar , T. Jurcut, C. Baciu , I. Pop
Babes-Bolyai University, Physics Department, 3400-Cluj-Napoca, Romania
University of Oradea, Sciences Department, 3700, Oradea, Romania
Babes-Bolyai University, Geology Department, 3400-Cluj-Napoca, Romania
Technical University, Physics Department, 3400, Cluj-Napoca, Romania
Our paper presents two methods for simultaneous measurement of radon and thoron exhalation from soil and building materials: (1)-charcoal adsorption, respectively (2)-Lucas cell method.
The both methods are applicable especially in the case of a soil flux enhanced in thoron gas. In the Lucas cell case a short accumulation time was used (10-15 minutes). The thoron concentration under accumulation volume was measured immediately after the sample gas extraction and a regression equation is used for determining equilibrium thoron concentration.
In the......
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Approximate Word Count: 2143
Approximate Pages: 9 (250 words per double-spaced page)
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