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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 

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