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Comments on results of the SS1 Stainless Steel measurements

Comments on results of the SS1 Stainless Steel measurements. Em. Cincu, I. Manea, O. Sima. IWIRAD 2005. Purpose :. To present the results obtained by NAA in comparison with “reference” values obtained by other methods => graphs of mean values => Z scores

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Comments on results of the SS1 Stainless Steel measurements

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  1. Comments on results of the SS1 Stainless Steel measurements Em. Cincu, I. Manea, O. Sima IWIRAD 2005

  2. Purpose: • To present the results obtained by NAA in comparison with “reference” values obtained by other methods => graphs of mean values => Z scores • NAA results: laboratory codes 2 – 5 • Reference results: code 1 IWIRAD 2005

  3. Graphs of mean values • NAA results: mean values with error bars corresponding to the reported uncertainty • Reference results: mean values with error bars corresponding to the standard deviation • 8 elements reported by all NAA participants • 1 element reported only by 3 NAA labs • 2 elements reported only by 2 NAA labs • 2 elements reported only by 1 NAA lab, which are missing from the reference data. IWIRAD 2005

  4. Mn concentration (%) IWIRAD 2005

  5. Cr concentration (%) IWIRAD 2005

  6. Mo concentration (%) IWIRAD2005

  7. Ni concentration (%) IWIRAD 2005

  8. Fe concentration (%) IWIRAD 2005

  9. Cu concentration (%) IWIRAD 2005

  10. Co concentration (%) IWIRAD 2005

  11. V concentration (%) IWIRAD 2005

  12. W concentration (%) IWIRAD 2005

  13. Sb concentration (%) IWIRAD 2005

  14. As concentration (%) IWIRAD 2005

  15. Z score • The score displayed is defined by x = NAA mean value ref = mean value obtained by other methods s = standard deviation oftheNAA data IWIRAD 2005

  16. Mn - Z score IWIRAD 2005

  17. Cr - Z score (problems!) IWIRAD 2005

  18. Mo - Z score IWIRAD 2005

  19. Ni - Z score IWIRAD 2005

  20. Fe - Z score IWIRAD 2005

  21. Cu - Z score IWIRAD 2005

  22. Co - Z score IWIRAD 2005

  23. V - Z score IWIRAD 2005

  24. W - Z score (problems!) IWIRAD 2005

  25. Sb - Z score (problems!) IWIRAD 2005

  26. As - Z score IWIRAD 2005

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