Radon Concentration measurement in an Imported Tea using Nuclear Track Detector CN-85
DOI:
https://doi.org/10.25130/tjps.v21i1.951Abstract
The present paper aims to determine the radon concentration in a ten different imported samples of tea collected from Iraqi local markets. Solid state nuclear track detectors CN–85 was used to record the tracks of alpha particles released from radon content within the samples. A cylindrical chambers of U-shape containing the grained samples were used for irradiating the detector. The results showed that the highest concentration of radon was 45.97 kBq/m3 found in Jihann tea, while the lowest value is recorded in Mahmoud tea which was about 25.44 kBq/m3. The radioactivity of radon content in the samples which is equivalent to obtained values is found between (811.46-1446.29) pCi/kq. The obtained radon levels is within the natural limits of the activity concentrations of the naturally occurring radionuclides in foods, and this will not form any risk on the human being life.
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