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KMID : 0385520110240060435
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Analytical Science & Technology
2011 Volume.24 No. 6 p.435 ~ p.442
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Evaluation of the proficiency testing results for brominated flame retardants in high impact polystyrene
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Kim Dal-ho
Ryu Je-hoon
Choi Yong-wook
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Abstract
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Polybrominated diphenyl ethers (PBDEs) are a class of brominated flame retardants (BFRs) which have taken much interest recently due to their potential hazardous effects to human body and ecosystem. Many countries and European community prohibits the usage of certain BFRs in electronics and electronic devices (e.g. RoHS). In this perspectives, Korea Research Institute of Standards and Science (KRISS) has designed and practiced proficiency testing programs based on the ISO/IEC 17043 in order to assist laboratory accreditation activities. The programs for interlaboratory comparisons include congeners of PBDE (PBDE-154, 183, 206, 209) in high impact polystyrene (HIPS). A sample bottle that contains 10 g granular HIPS was distributed to 35 participating laboratories and the test results were calculated by the statistical procedure using z-scores to evaluate performance of each laboratory. The results and the laboratory`s performance were discussed.
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KEYWORD
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high impact polystyrene, proficiency test, flame retardants, PBDEs,
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