Measuring 222Rn in aquatic environment via Pulsed Ionization Chamber Radon Detector

Song, Lijun; Liu, Wen; Zhao, Shibin; Li, Chunqian; Guo, Jinjia; Dimova, Natasha; Xu, Bochao

doi:10.1007/s13131-023-2183-9

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2024

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Cited by 3 publications

References 21 publications

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Radionuclides in Estuarine and Coastal Systems

Tamborski,

Cochran,

McKee

et al. 2024

Treatise on Estuarine and Coastal Science (Second Edition)

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Radionuclides in Estuarine and Coastal Systems

Tamborski,

Cochran,

McKee

et al. 2024

Treatise on Estuarine and Coastal Science (Second Edition)

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Measurement of 224Ra in water via pulsed ionization chamber (PIC) radon detector

Xu,

Li,

Liu

et al. 2024

Journal of Environmental Radioactivity

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Rapid and Continuous Monitoring Method of Radon (²²²Rn) for Seawater Using a Pulsed Ionization Chamber

Lee,

Kim

2024

ACS EST Water

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In the marine environment, 222 Rn has been widely utilized as a valuable tracer for measuring the exchange rates and fluxes of substances. However, owing to the extremely low activities of 222 Rn in the ocean, applications have been limited by sample collections and measurements. Recent studies have proposed a continuous monitoring method by connecting a water−air exchanger to a commercially available radon-in-air monitor (RAD7, Durridge Co.) to reduce labor. However, this method still suffers from the low measurement efficiency and long measurement time for seawater. Therefore, in this study, we developed a new continuous monitoring system by using a new radon-in-air monitor (FRD2400, FT-lab Co.), based on a pulsed ionization chamber (PIC), and water−air exchangers. This system demonstrated a faster equilibrium time (<10 min) and approximately eight times higher measurement efficiency than the RAD7-based continuous monitoring system. With this system, together with a nitrate sensor, we successfully obtained high-resolution 222 Rn and nitrate data in coastal waters, locating groundwater-borne sources. Thus, this newly developed system will facilitate the rapid and easy measurement of 222 Rn in various marine environments, promoting the active utilization of 222 Rn tracers for understanding coastal processes.

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Measuring 222Rn in aquatic environment via Pulsed Ionization Chamber Radon Detector

Cited by 3 publications

References 21 publications

Radionuclides in Estuarine and Coastal Systems

Radionuclides in Estuarine and Coastal Systems

Measurement of 224Ra in water via pulsed ionization chamber (PIC) radon detector

Rapid and Continuous Monitoring Method of Radon (²²²Rn) for Seawater Using a Pulsed Ionization Chamber

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Measuring 222Rn in aquatic environment via Pulsed Ionization Chamber Radon Detector

Cited by 3 publications

References 21 publications

Radionuclides in Estuarine and Coastal Systems

Radionuclides in Estuarine and Coastal Systems

Measurement of 224Ra in water via pulsed ionization chamber (PIC) radon detector

Rapid and Continuous Monitoring Method of Radon (222Rn) for Seawater Using a Pulsed Ionization Chamber

Contact Info

Product

Resources

About

Rapid and Continuous Monitoring Method of Radon (²²²Rn) for Seawater Using a Pulsed Ionization Chamber