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Intercomparison and Determination of Trace Elements in Urban Dust by Neutron Activation Analysis
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.2, pp.179-188
Chung,
Y., Moon,
J., Kim,
S., Park,
K., &
Kang,
S.
(2000). Intercomparison and Determination of Trace Elements in Urban Dust by Neutron Activation Analysis. Analytical Science and Technology, 13(2), 179-188.
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Abstract
Trace elements in air samples artificially loaded on filters with urban dust and the bulk material of urban dust as an environmental sample were determined non-destructively using instrumental neutron activation analysis. Standard reference material (Urban Dust, SRM 1648) of the National Institute of Standard and Technology was used for the analytical quality control. The relative error for 37 elements was less than 15% and the standard deviation was less than 10%. 29 elements in the urban dust and 21 elements in the loaded filter sample were determined respectively. To evaluate the proficiency and reliability of the measurement, data intercomparison was performed and 39 analytical laboratories participated in the analysis using different analytical methods; neutron activation analysis, particle induced X-ray emission analysis, X-ray fluorescence analysis and atomic absorption spectrometry. Z-scores were calculated using the standard deviation of the laboratorie's mean as target standard deviation, and a good result was obtained that the values fall between -1 and +1 except some elements.
- keywords
- Instrumental Neutron Activation Analysis, Standard Reference Materials, Airborne particulate matter, Analytical quality control, Data intercomparison
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