The development of an alpha/beta separation liquid scintillation cocktail for aqueous samples

J. Pates; G. Cook; A. Mackenzie; J. Thomson

doi:10.1007/bf02041854

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 172: Issue 2

The development of an alpha/beta separation liquid scintillation cocktail for aqueous samples

Authors:

J. Pates

J. Pates Scottish Universities Research and Reactor Centre East Kilbride G75 0QU Glasgow Scotland

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G. Cook

G. Cook Scottish Universities Research and Reactor Centre East Kilbride G75 0QU Glasgow Scotland

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A. Mackenzie

A. Mackenzie Scottish Universities Research and Reactor Centre East Kilbride G75 0QU Glasgow Scotland

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J. Thomson

J. Thomson Packard Instrument Company, B.V. Ulgersmaweg 47 9731 BK Groningen The Netherlands

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Pages:: 341–348

Online Publication Date:: 14 Aug 2005

Publication Date:: 17 Aug 1993

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02041854

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Abstract

Scintillation cocktail components were studied with regard to their impact on pulse decay discimination (PDD) and hence the separation of alpha from beta activity, using a Packard 2250 CA /. Di-isopropyl naphthalene (DIN) was found to be the most suitable solvent, both from safety considerations and also the fact that it acts in a very similar manner to naphthalene in stretching the pulses produced at the photomultiplier tube anode and hence enhancing the separation. Increasing the surfactant concentration and the use of dimethylanthracene (DMA) as secondary fluor degraded the cocktail's performance. PMT anode pulse shapes were found to be a useful indicator of PDD efficiency but could not give a quantitative guide.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)