Novel technique for ultra-sensitive determination of trace elements in organic scintillators

Z. Djurcic; D. Glasgow; L. W. Hu; R. D. McKeown; A. Piepke; R. Swinney; B. Tipton

doi:10.1016/S0168-9002(03)01362-7

Novel technique for ultra-sensitive determination of trace elements in organic scintillators

Z. Djurcic, D. Glasgow, L. W. Hu, R. D. McKeown, A. Piepke, R. Swinney, B. Tipton

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5 Scopus citations

Abstract

A technique based on neutron activation has been developed for an extremely high sensitivity analysis of trace elements in organic materials. Organic materials are sealed in plastic or high-purity quartz and irradiated at the HFIR and MITR. The most volatile materials such as liquid scintillator (LS) are first preconcentrated by clean vacuum evaporation. Activities of interest are separated from side activities by acid digestion and ion exchange. The technique has been applied to study the liquid scintillator used in the KamLAND neutrino experiment. Detection limits of <2.4 × 10^-15 g ⁴⁰K/g LS, <5.5 × 10^-15 g Th/g LS, and <8 × 10^-15 g U/g LS have been achieved.

Original language	English
Pages (from-to)	680-690
Number of pages	11
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	507
Issue number	3
DOIs	https://doi.org/10.1016/S0168-9002(03)01362-7
State	Published - Jul 21 2003

Funding

This work was supported in part by the US Department of Energy and the US–Japan Committee for Cooperation in High Energy Physics. The authors would like to thank S.J. Freedman, K.T. Lesko, Y. Kamyshkov, A. Suzuki, and J. Webb for help during the critical early phase of this project. The authors appreciate the advice and assistance of K. Farley, J. Goreva, L. Hedges, and G. Wasserburg during the ICPMS studies. We would also like to thank the KamLAND collaboration for their support.

Keywords

KamLAND
Liquid scintillator
Low background
NAA
Neutrino oscillations
Trace element

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10.1016/S0168-9002(03)01362-7

Cite this

Djurcic, Z., Glasgow, D., Hu, L. W., McKeown, R. D., Piepke, A., Swinney, R., & Tipton, B. (2003). Novel technique for ultra-sensitive determination of trace elements in organic scintillators. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 507(3), 680-690. https://doi.org/10.1016/S0168-9002(03)01362-7

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Djurcic, Z, Glasgow, D, Hu, LW, McKeown, RD, Piepke, A, Swinney, R & Tipton, B 2003, 'Novel technique for ultra-sensitive determination of trace elements in organic scintillators', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 507, no. 3, pp. 680-690. https://doi.org/10.1016/S0168-9002(03)01362-7

Novel technique for ultra-sensitive determination of trace elements in organic scintillators. / Djurcic, Z.; Glasgow, D.; Hu, L. W. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 507, No. 3, 21.07.2003, p. 680-690.

Research output: Contribution to journal › Article › peer-review

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Novel technique for ultra-sensitive determination of trace elements in organic scintillators

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