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A Performance Comparison of Nine Selected Liquid Scintillation Cocktails

Abstract

In the selection of a suitable liquid scintillation (LSC) cocktail, the primary aspects taken into consideration are overall cocktail performance and specific laboratory needs. Overall performance of 9 selected, commercially available LSC cocktails was assessed by studying parameters of importance for the requirements of the Laboratory for Low Level Radioactivity Measurements of SCK-CEN: sample load capacity, sample compatibility, influence of sample load on counting efficiency, background count rate, figure of merit, quench resistance, sample stability and alpha/beta separation characteristics. The cocktails tested were EcoscintA, Insta Gel Plus, OptiPhase Hisafe3, OptiPhase Trisafe, Ready Gel, SafeScint 1:1, Ultima Gold, Ultima Gold LLT, and Ultima Gold XR. For the data acquisition a Packard TriCarb Model 1900CA and a Quantulus 1220 liquid scintillation counter is used. All samples were prepared in either 20 mL low potassium, borosilicate glass vials or 20 mL high density, polyethylene vials. The aim of this study was to determine a single cocktail that best suits all measurement requirements of the liquid scintillation laboratory at SCK-CEN for the determination of low levels of radioactivity in biological and environmental samples. As a conclusion, Optiphase HiSafe 3 was confirmed to be the optimal cocktail for the laboratory.
Publication Date:
Jun 15, 2008
Product Type:
Technical Report
Report Number:
BLG-1052
Resource Relation:
Related Information: BLG
Subject:
07 ISOTOPES AND RADIATION SOURCES; AQUEOUS SOLUTIONS; BELGIUM; COMPATIBILITY; LABORATORY EQUIPMENT; LIQUID SCINTILLATION DETECTORS; NONDESTRUCTIVE TESTING; RADIOACTIVE MATERIALS; DEVELOPED COUNTRIES; DISPERSIONS; EQUIPMENT; EUROPE; HOMOGENEOUS MIXTURES; MATERIALS; MATERIALS TESTING; MEASURING INSTRUMENTS; MIXTURES; RADIATION DETECTORS; SCINTILLATION COUNTERS; SOLUTIONS; TESTING; WESTERN EUROPE
OSTI ID:
21505077
Research Organizations:
Belgian Nuclear Research Center SCK-CEN (Belgium)
Country of Origin:
Belgium
Language:
English
Other Identifying Numbers:
Other: ISSN 1379-2407; TRN: BE1100019097809
Availability:
Available from INIS in electronic form
Submitting Site:
BEN
Size:
132 pages
Announcement Date:
Dec 09, 2011

Citation Formats

Verrezen, F, Loots, H, and Hurtgen, Ch. A Performance Comparison of Nine Selected Liquid Scintillation Cocktails. Belgium: N. p., 2008. Web.
Verrezen, F, Loots, H, & Hurtgen, Ch. A Performance Comparison of Nine Selected Liquid Scintillation Cocktails. Belgium.
Verrezen, F, Loots, H, and Hurtgen, Ch. 2008. "A Performance Comparison of Nine Selected Liquid Scintillation Cocktails." Belgium.
@misc{etde_21505077,
title = {A Performance Comparison of Nine Selected Liquid Scintillation Cocktails}
author = {Verrezen, F, Loots, H, and Hurtgen, Ch}
abstractNote = {In the selection of a suitable liquid scintillation (LSC) cocktail, the primary aspects taken into consideration are overall cocktail performance and specific laboratory needs. Overall performance of 9 selected, commercially available LSC cocktails was assessed by studying parameters of importance for the requirements of the Laboratory for Low Level Radioactivity Measurements of SCK-CEN: sample load capacity, sample compatibility, influence of sample load on counting efficiency, background count rate, figure of merit, quench resistance, sample stability and alpha/beta separation characteristics. The cocktails tested were EcoscintA, Insta Gel Plus, OptiPhase Hisafe3, OptiPhase Trisafe, Ready Gel, SafeScint 1:1, Ultima Gold, Ultima Gold LLT, and Ultima Gold XR. For the data acquisition a Packard TriCarb Model 1900CA and a Quantulus 1220 liquid scintillation counter is used. All samples were prepared in either 20 mL low potassium, borosilicate glass vials or 20 mL high density, polyethylene vials. The aim of this study was to determine a single cocktail that best suits all measurement requirements of the liquid scintillation laboratory at SCK-CEN for the determination of low levels of radioactivity in biological and environmental samples. As a conclusion, Optiphase HiSafe 3 was confirmed to be the optimal cocktail for the laboratory.}
place = {Belgium}
year = {2008}
month = {Jun}
}