Soil SO-1 reference material for trace analysis |
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| Authors: | B Holyńska J Jasion M Lankosz A Markowicz and W Baran |
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| Institution: | (1) Institute of Physics and Nuclear Techniques, Academy of Mining and Metallurgy, Al. Mickiewicza 30, PL-30-059 Kraków, Poland |
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| Abstract: | Summary The preparation of soil SO-1 reference material is described as well as an evaluation of the results provided by 30 laboratories for 41 elements, including outlier rejection step by four concurrent tests. The influence of different chemical pretreatment methods preceding various instrumental analytical techniques is also discussed. Based on the numbers of outliers, confidence limits and numbers of different analytical methods used for a given element some criteria for the classification of the results are proposed.
Referenzmaterial Soil SO-1 für die Spurenanalyse |
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