Application of the CIEMAT/NIST method to 14 C low-level measurements

被引：0
|
作者：
Borrego-Alonso, D. [1 ]
Quintana-Arnes, B. [1 ]
Navarro, N. [2 ]
Sanchez-Cabezudo, A. I. [2 ]
机构：
[1] Univ Salamanca, Dept Fis Fundamental, Lab Radiac Ionizantes & Datac, Salamanca 37008, Spain
[2] CIEMAT, Lab Metrol Radiac Ionizantes, Ave Complutense 40, Madrid 28040, Spain
来源：
APPLIED RADIATION AND ISOTOPES | 2024年 / 212卷
关键词：
14C; benzene synthesis; Liquid scintillation counting; CIEMAT/NIST; LIQUID SCINTILLATION-COUNTER; BETA-PARTICLES; EFFICIENCY; OPTIMIZATION; PROGRAM; EFFY;
D O I：
10.1016/j.apradiso.2024.111465
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Radiocarbon dating of samples from benzene synthesis by low-level Liquid Scintillation Counting (LSC) method requires the availability of 14 C standards in benzene, which are difficult to obtain, or the use of an absolute measurement which is out of reach for most analytical laboratories. This paper describes how the CIEMAT/NIST method can help to solve this issue and presents the measurements of low activity concentrations performed in the LRI-D using two different benzene base scintillator cocktails.
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页数：7
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