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Stability of a New, Multichannel, Low-Level Liquid Scintillation Counter System, Kvartett

Published online by Cambridge University Press:  18 July 2016

Sigurđur Einarsson  and
Páll Theodórsson
Sigurđur Einarsson
Affiliation:
Multi-Detector Systems Ltd., Skúlatún 6, 105 Reykjavík, Iceland
Páll Theodórsson
Affiliation:
Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavik, Iceland
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Abstract

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Kvartett is a new liquid scintillation counting (LSC) system for radiocarbon dating that takes a radical departure from conventional systems to obtain a compact, low-level counting system measuring four samples simultaneously. Each sample vial, inside the well of a large NaI(Tl) guard-counter crystal (facing down), sits on top of a vertical PMT. The fourfold counting capacity can be used to increase the number of samples being dated or to get higher precision. The increased throughput helps to keep a rigid quality-control standard. We monitored the background count rate almost continuously for 7 months, and measured the count rate of a standard repeatedly for 2 months. The results show the background and system reproducibility to be stable.

Type
V. Advances in Measurement Techniques
Information
Radiocarbon , Volume 37 , Issue 2 , 1995 , pp. 727 - 736
Copyright
Copyright © the Department of Geosciences, The University of Arizona 

References

Anderson, D. R., Sweeney, D. J. and Williams, T. A. 1994 Introduction to Statistics Concepts and Applications. Minneapolis/St. Paul, West Publishing Company: 413 p.Google Scholar
Beyer, W. H., ed. 1968 Handbook of Tables for Probability and Statistics. Boca Raton, Florida, CRC Press: 642 p.Google Scholar
Cook, G. T., Scott, E. M., Wright, E. M. and Anderson, R. 1992 The statistics of low-level counting using the new generation of Packard liquid scintillation counters. In Long, A., and Kra, R. S., eds., Proceedings of the 14th International 14C Conference. Radiocarbon 34(3): 360–365.Google Scholar
Einarsson, S. A. 1992 Evaluation of a prototype low-level liquid scintillation multisample counter. In Long, A., and Kra, R. S., eds., Proceedings of the 14th International 14C Conference. Radiocarbon 34(3): 366–373.Google Scholar
Loosli, H. H., Forster, M. and Otlet, R. L. 1986 Background measurements with different shielding and anticoincidence systems. In Stuiver, M. and Kra, R. S., eds., Proceedings of the 12th International 14C Conference. Radiocarbon 28(2A): 615–662.CrossRefGoogle Scholar
Pearson, G. W. 1979 Precise 14C measurement by liquid scintillation counting. Radiocarbon 21(1): 1–21.Google Scholar
Pei-yun, F. and Ting-kui, Z. 1983 A single photomultiplier liquid scintillation counting apparatus for 14C low-level measurement. In McQuarrie, S. A., Ediss, C. and Wiebe, L. I., eds., Advances in Scintillation Counting. Edmonton, Canada, University of Alberta: 456–467.Google Scholar
Schoch, H., Bruns, M., Münnich, K. O. and Münnich, M. 1980 A multicounter system for high precision 14C measurements. In Stuiver, M. and Kra, R. S., eds., Proceedings of the 10th International 14C Conference. Radiocarbon 22(2): 442–447.Google Scholar
Switsur, R. 1990 A consideration of some basic ideas for quality assurance in radiocarbon dating. In Scott, E. M., Long, A. and Kra, R. S., eds., Proceedings of the International Workshop on Intercomparison of Radiocarbon Laboratories. Radiocarbon 32(3): 341–346.Google Scholar
Theodórsson, P. 1988 Development of multicounter systems for low-level beta samples. In Garcia-Leon, M. and Madurga, G., eds., Low-level Measurements and their Applications to Environmental Radioactivity. Singapore, World Scientific Publishing: 459–470.Google Scholar