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Evaluation of proficiency and improvement of accuracy on the analysis of brominated flame retardants (PBDEs) in ABS polymer
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2015, v.28 no.6, pp.446-452
https://doi.org/10.5806/AST.2015.28.6.446
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(2015). Evaluation of proficiency and improvement of accuracy on the analysis of brominated flame retardants (PBDEs) in ABS polymer. Analytical Science and Technology, 28(6), 446-452, https://doi.org/10.5806/AST.2015.28.6.446
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Abstract
In order to evaluate and improve the ability of Korean testing laboratories to measure Polybrominated diphenyl ethers in acrylonitrile-butadiene-styrene (ABS), a proficiency test was organised by Korea Research Institute of Standards and Science (KRISS) based on ISO/IEC 17043. The proficiency test material used was 10 g of a granular ABS fortified with a mixture of congeners of PBDE (BDE-154, 183, 206, 209). Homogeneity and stability were investigated to assess the adequacy of the test material. The certified value established by KRISS based on the national reference was used for assigned value of each PBDE. The test materials were distributed to the 16 participating laboratories. The participating laboratories were requested to analyse the samples employing the methods used in their routine analysis. Each laboratory was given it’s own code to secure the anonymity. Participants results were evaluated with z-scores according to ISO/IEC 17043. The standard deviation for proficiency assessment was set by standard deviation of the participants results except for outlier. The results, the laboratory's performance and improvement of accuracy were discussed.
- keywords
- acrylonitrile-butadiene-styrene (ABS), proficiency test, flame retardants, polybrominated diphenyl ether (PBDE)
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