Quality Assessment of INAA Data for Small-sized Environmental Reference Samples
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概要
- 論文の詳細を見る
Instrumental neutron activation analysis (INAA) was applied for the accurate and precise determination of minor and trace elements in small-sized aliquants (1 to 2 mg) of two certified reference materials (CRM), NIES No. 8 and NIST 1632c. Four laboratories used either comparative- or k0-INAA, or both, and repeated the analysis more than ten times for each CRM. Based on z-scores and zeta scores of analytical data, QA/QC in analyzing such small scale of the two reference samples was assessed, revealing that there was a clear difference in the analytical ability among participating laboratories. It was concluded that the two CRM samples on the mg scale can be used as reference samples in INAA of a similarly small-scaled sample, at least for the 16 – 18 elements examined.
- 社団法人日本分析化学会の論文
著者
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Oura Yasuji
Department Of Chemistry Graduate School Of Science And Engineering Tokyo Metropolitan University
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Ebihara Mitsuru
Department Of Chemistry Faculty Of General Studies Gunma University
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OURA YASUJI
Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University
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WIMOLWATTANAPUN Wanna
Thailand Institute of Nuclear Technology
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BUNPRAPOB Supamatthree
Thailand Institute of Nuclear Technology
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HO Mang
Nuclear Research Institute
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