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- E-ISSN 2288-8985
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Quality Control on Neutron Activation Analysis for Urban Dust by the Proficiency Test
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.5, pp.433-438
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(2002). Quality Control on Neutron Activation Analysis for Urban Dust by the Proficiency Test. Analytical Science and Technology, 15(5), 433-438.
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Abstract
Trace elements in two air filters (V-50, P-50) artificially loaded with urban dust provided from IAEA were determined non-destructively using instrumental neutron activation analysis. Standard reference material (Urban Particulate Matter, SRM 1648) of National Institute of Standard and Technology was used for analytical quality control. About 20 elements in both of loaded filter samples were determined. To evaluate inter-laboratory comparison and proficiency test, analytical data were statistically treated with the results which collected from 49 laboratories, 40 countries participated in this study using neutron activation analysis, particle induced X-ray emission, inductively coupled plasma mass spectroscopy, etc,. From the results of statistical treatment, Z-scores are within <TEX>${\pm}2$</TEX>. Furthermore, accuracy and precision of obtained analytical values are passed according to the criteria of the proficiency test. Consequently, it was proved that analytical quality for air dust samples being performed has been controlled properly.
- keywords
- Instrumental Neutron Activation Analysis, Proficiency Test, Urban Dust, Analytical Quality Control
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