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Buildings· 2026Q1

Study on a Method for Measuring Ultra-Low Concentrations of 222Rn and 220Rn Based on Enrichment of Activated Carbon by an Electrically Cooled System

Sheng Li, Quan Tang, Lidan Lv, Jinyu He et al.

Short summary

A new system using electrically cooled activated carbon enrichment and a Si-PIN detector achieves ultra-low detection limits of 5.63 mBq/m³ for 222Rn and 3.56 mBq/m³ for 220Rn, outperforming conventional methods.

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Radiological and Ultrasound TechnologyHealth Professions