NDLI: Deuteron activation analysis for the determination of carbon in iron and copper oxide, reagents for$^{14}$C-dating by accelerator mass spectrometry

Content Provider	Springer Nature Link
Author	Neve, K. Strijckmans, K. Vandeputte, K. Dams, R.
Copyright Year	1997
Abstract	In the$^{14}$C-dating by accelerator mass spectrometry (AMS) iron and copper oxide are used during sample preparation. In an investigation on the origin of the$^{14}$C-blank, which in practice determines the dating limit of AMS, the carbon contamination was measured in both reagents by deuteron activation analysis via the$^{12}$C(d,n)$^{13}$N reaction. A first batch of iron was analysed radiochemically and a carbon concentration of 37.6 μg/g was found with a standard deviation of 2.7 μg/g (3 analyses). In a second batch of iron concentrations between 66 and 150 μg/g were found for 6 instrumental analyses, suggesting an inhomogeneous distribution of carbon. The carbon content in copper oxide was 17.8 (3.5) μg/g for 3 instrumental analyses, but preference should be given to a radiochemical analysis. These figures indicate that the carbon impurities found in iron and copper oxide are possible causes of the$^{14}$C-blank. However, a final conclusion can only be drawn if the$^{14}$C concentration of the contaminating carbon and the amount of carbon released during sample preparation are known.
Starting Page	79
Ending Page	83
Page Count	5
File Format	PDF
ISSN	02365731
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume Number	221
Issue Number	1-2
e-ISSN	15882780
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1997-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Inorganic Chemistry Physical Chemistry Diagnostic Radiology Nuclear Physics, Heavy Ions, Hadrons Nuclear Chemistry
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Pollution Health, Toxicology and Mutagenesis Radiology, Nuclear Medicine and Imaging Analytical Chemistry Public Health, Environmental and Occupational Health Nuclear Energy and Engineering

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