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Updated: Oct 19, 2025

Automated 90Sr Separation and Preconcentration in a Lab-on-Valve System at Ppq Level
Published on: June 6, 2018
α Espec-222 as a variant to the radon monitoring method using a solid state nuclear track
Josineide Marques do Nascimento Santos1, José Araújo Dos Santos Júnior1, Romilton Dos Santos Amaral1
1Radioecology Group, Nuclear Energy Department, Center of Technology and Geosciences, Federal University of Pernambuco, Avenida Professor Luiz Freire, 1000, Cidade Universitária, 50740-545, Recife, PE, Brazil.
Abstract:
Radon is important in indoor radiometry, where radiological impact is relevant. The improvement of low-cost methods makes it possible to maximize the monitored areas. Thus, a simple and robust monitoring device based on SSNTD CR-39 was designed. Detector conditions were standardized to reduce operational errors and increase productivity. The calibration factor by the slope method allowed efficiency greater than 93%. The monitoring system is satisfactory in terms of operation and performance, suitable for a wide range of radon monitoring situations.
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