Radon Concentrations Measurement in Dwellings of Kufa Technical Institute, Iraq Using LR-115 Nuclear Track Detector

Abojassim, Ali Abid; Husain, Afnan Ali

doi:10.4172/2155-9619.s7-001

Cited by 3 publications

(1 citation statement)

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“…where ρ is the density of the tracks of alpha particles, track/cm 2 ; ρ 0 is the intrinsic background level of the track detector, track/cm 2 ; T is the duration of the detector exposure, h; and K is the calibration factor of the track detector (transition coefficient from the track density value to the volumetric activity value), track•m 3 /Bq•h•cm 2 . In this work, the calibration coefficient of the LR-115 type 2 detector was taken to be K = 0.9 track•m 3 /Bq•h•cm 2 , as was experimentally established in a previous study for this type of track detector [25].…”

Section: Resultsmentioning

confidence: 99%

Application of UV-Vis Optical Spectroscopy and X-ray Diffraction Methods to Describe the Effect of Alpha-Emitting Radionuclides (Radon) When They Are Detected by Solid-State Film Detectors

et al. 2022

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This work aims to evaluate the application of optical and X-ray spectroscopy methods to determine the effect of alpha-emitting radionuclides on the properties of solid-state nuclear track detectors (SSNTD) based on nitrocellulose during their detection. The proposed estimation methods are alternative methods to standard technologies, making it possible to determine the concentration of radon and its decay products without the chemical etching of film detectors and subsequent direct counting of the formed latent tracks from interacting particles. During the research, it was found that the use of optical spectroscopy and X-ray diffraction methods makes it possible to qualitatively determine the irradiation effect on changes in the properties of film detectors when α-particles with different energies pass through them. At the same time, a comparison of the data of optical spectroscopy, X-ray diffraction and the visualization of latent tracks after chemical etching made it possible to establish that a part of the registered α-particles in living quarters has an energy of less than 2.5 MeV, which is not enough to pass through the polymer film of the detector, as a result of which well-like tracks are formed. An increase in the intensity of the interference bands in the region above 700 nm and a decrease in the intensity of diffraction reflection characterized the changes in optical transmission. The penetration of the α-particles through the detecting film decreases the film’s transmission capacity, forming an anisotropic change in diffraction reflections associated with a change in the film’s structure and defective fractions distorting the molecular structure.

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Section: Resultsmentioning

confidence: 99%