Development and certification of the new NIES CRM 28: urban aerosols for the determination of multielements

A new environmental certified reference material (CRM) for the determination of multielements in aerosol particulate matter has been developed and certified by the National Institute for Environmental Studies (NIES), Japan, based on analyses by a network of laboratories using a wide range of methods...

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Bibliographic Details
Published in:Analytical and bioanalytical chemistry 2008-07, Vol.391 (6), p.1997-2003
Main Authors: Mori, Ikuko, Sun, Zijie, Ukachi, Miyuki, Nagano, Kimiyo, McLeod, Cameron W, Cox, Alan G, Nishikawa, Masataka
Format: Article
Language:English
Subjects:
Analytical Chemistry
Atmospheric pollution
Biochemistry
Certified reference material
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Food Science
Laboratory Medicine
Monitoring/Environmental Analysis
Northeast Asia
Original Paper
Particulate matter
Quality assurance/quality control
Trace element
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Summary:A new environmental certified reference material (CRM) for the determination of multielements in aerosol particulate matter has been developed and certified by the National Institute for Environmental Studies (NIES), Japan, based on analyses by a network of laboratories using a wide range of methods. The origin of the material was atmospheric particulate matter collected on filters in a central ventilating system in a building in Beijing city centre. The homogeneity and stability of this material were sufficient for its use as a reference material. Values for elemental mass fractions in the material were statistically determined based on the analytical results of the participating laboratories. Eighteen certified values and 14 reference values were obtained. The diameters, obtained from a micrographic image using image analysis software, of 99% of the particles were less than 10 μm, demonstrating that almost all the particles in the material could be classified as particles of 10 μm or less in aerodynamic diameter. The chemical composition and particle size distribution of this material were close to those of an authentic aerosol collected in Beijing. NIES CRM 28 is appropriate for use in analytical quality control and in the evaluation of methods used in the analysis of aerosols, particularly those collected in urban environments in northeast Asia [graphic removed]
ISSN:1618-2642
1618-2650
DOI:10.1007/s00216-008-2076-y