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A Comparative Study on the Determination of the Selenium in Biological Samples using 75Se and 77mSe Nuclides
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2005, v.18 no.1, pp.23-26
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(2005). A Comparative Study on the Determination of the Selenium in Biological Samples using 75Se and 77mSe Nuclides. Analytical Science and Technology, 18(1), 23-26.
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Abstract
Se is well known as an anti-oxidant trace element and many customers are interested in an analysis and contents of Se in the various foodstuff samples. This study was aimed at establishing and comparing an analytical method for the determination of the Se in biological samples by neutron activation analysis using two nuclides, 75Se and 77mSe. Keeping this objective, three NIST biological standard reference materials were chosen and the concentrations of the Se were determined under the prefixed analytical conditions such as the irradiation, decay and measurement time. The measured values by both analytical methods were evaluated with certified values. In addition, the detection limits and measurement uncertainty for the analytical results using 75Se and 77mSe were compared with each other.
- keywords
- human nutrition and health, biological sample, selenium, NAA
Reference
1
WHO, (1996.) Trace Elements in Human Nutrition and Health, World Health Organization
2
(1997.) Applied Research and Development of Neutron Activation Analysis, KAERI
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