Low-level gamma-ray spectrometry for the determination of 210Pb

Nikola Markovic; Per Roos; Sven Poul Nielsen

doi:10.1007/s10967-016-5091-z

Low-level gamma-ray spectrometry for the determination of ²¹⁰Pb

Nikola Markovic, Per Roos, Sven Poul Nielsen

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

A well High purity germanium (HPGe) gamma spectrometer with NaI(Tl) Compton anticoincidence shield recently installed at DTU Nutech and specially designed for low-level measurements was used for the ²¹⁰Pb determination in environmental samples. The system is compared to standard stand-alone HPGe spectrometers. The choice between high efficiency well and planar detectors as well as optimum sample size depending on available sample quantity are discussed. Results show that the only comparative advantage of the well anticoincidence system is when just small sample sizes are available.

Original language	English
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	311
Pages (from-to)	1473–1478
ISSN	0236-5731
DOIs	https://doi.org/10.1007/s10967-016-5091-z
Publication status	Published - 2017

Keywords

Anticoincidence
Compton suppression
Gamma spectrometry
Low-level measurements
210Pb

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Cite this

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title = "Low-level gamma-ray spectrometry for the determination of 210Pb",

abstract = "A well High purity germanium (HPGe) gamma spectrometer with NaI(Tl) Compton anticoincidence shield recently installed at DTU Nutech and specially designed for low-level measurements was used for the 210Pb determination in environmental samples. The system is compared to standard stand-alone HPGe spectrometers. The choice between high efficiency well and planar detectors as well as optimum sample size depending on available sample quantity are discussed. Results show that the only comparative advantage of the well anticoincidence system is when just small sample sizes are available.",

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AB - A well High purity germanium (HPGe) gamma spectrometer with NaI(Tl) Compton anticoincidence shield recently installed at DTU Nutech and specially designed for low-level measurements was used for the 210Pb determination in environmental samples. The system is compared to standard stand-alone HPGe spectrometers. The choice between high efficiency well and planar detectors as well as optimum sample size depending on available sample quantity are discussed. Results show that the only comparative advantage of the well anticoincidence system is when just small sample sizes are available.

KW - Anticoincidence

KW - Compton suppression

KW - Gamma spectrometry

KW - Low-level measurements

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