Determination of gross alpha and beta activities in water samples by liquid scintillation counting

2006 ◽  
Vol 56 (1) ◽  
pp. D299-D305 ◽  
Author(s):  
P. Staffová ◽  
M. Němec ◽  
J. John
Keyword(s):  
Water Samples ◽  
Liquid Scintillation Counting ◽  
Liquid Scintillation ◽  
Scintillation Counting ◽  
Gross Alpha ◽  
Gross Alpha And Beta

scholarly journals Gross alpha and gross beta activities measurements in groundwaters using liquid scintillation counting (LSC)

2021 ◽  
Vol 942 (1) ◽  
pp. 012023
Author(s):  
A Kowalska ◽  
P Maciejewski ◽  
M Szczęśniewicz
Keyword(s):  
Water Samples ◽  
Liquid Scintillation Counting ◽  
Liquid Scintillation ◽  
Scintillation Counting ◽  
European Law ◽  
Gross Beta ◽  
Gross Alpha ◽  
Drinking Waters ◽  
Health Resorts ◽  
Medicinal Waters

Abstract In this work Authors describe the methodology of gross alpha and gross beta activities determination in water samples. The chosen method is dedicated to LSC and is based on ISO 11704:2018 and it is suitable for ground waters with low and medium salinity, especially drinking or tap waters as well as medicinal waters (with healing properties, using in health resorts). Authors describe the proper sampling, laboratory preparation including radon removal and measurements conditions. The local and European law regulations showing the limits of radioactivity of drinking waters and medicinal waters are presented. This work presents also selected data of gross alpha and gross beta activities from selected research: the highest levels is measured in Jordanian (gross alpha) and in Brazil (gross beta) and it is respectively 3.58 Bq/L and 5.22 Bq/L.

scholarly journals Simultaneous determination of gross alpha/beta activities in water by liquid scintillation counting and its applications in the environmental monitoring

2021 ◽  
Author(s):  
Xiaoyun Li ◽  
Shaolin Wang ◽  
Hailin Lou ◽  
Jingshun Pan ◽  
Qian Dong ◽  
...  
Keyword(s):  
Simultaneous Determination ◽  
Liquid Scintillation Counting ◽  
Liquid Scintillation ◽  
Scintillation Counting ◽  
Gross Beta ◽  
Gross Alpha ◽  
Source Method ◽  
Wide Range ◽  
Thick Source

Abstract Based on the standards of ISO11704-2018 and ASTM D7283-17, a method for simultaneous determination of gross alpha and gross beta activity concentrations in water by liquid scintillation counting (LSC) was established, which can be applied to various types of water samples in routine monitoring, such as drinking water, groundwater, geothermal water, seawater, and radioactive wastewater. The sample’s pH value and concentrated volume must be controlled to avoid quenching as much as possible. The validation tests show that the deviations of gross alpha and gross beta activities can satisfy quality control requirements in a wide range of activity ratios. For the actual samples, the measurement results of the LSC method are in good agreement with those of the thick source method. Moreover, the LSC method performs better in detection limit and a simpler pretreatment process than the thick source method.

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