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Intercomparison of Tephrochronology Laboratories

Results and Recommendations

Manuscript submitted to the INTREPID Tephrochronology special volume of Quaternary International


Supplemental materials also submitted for publication
  1. Figure S1  Comparison plots for all elements on all samples  Kuehn_Suppl1_Fig_S1.pdf
  2. Table S1  Determination of the recommended values: data and explanation. Kuehn_Suppl2_Table_S1.pdf
  3. Table S2  Complete analytical data from all contributing laboratories. Kuehn_Suppl3_Table_S2.pdf
  4. Table S3 – Analyses of BHVO-2G, VG-A99, VG-2, and ATHO-G glasses conducted together with the interlaboratory comparison samples by lab 28. Kuehn_Suppl4_Table_S3.pdf
  5. Table S4  Similarity coefficients between individual mean values (Table 3) and the filtered overall means (Table 1). Kuehn_Suppl5_Table_S4.pdf
  6. Packet distributed to all labs which received the interlaboratory comparision samples (rationale, protocols, mount description, data reporting form) and sample invitation e-mail message. Kuehn_Suppl6_Invitation.pdf
  7. Preliminary report and suggestions set to labs following round 1.  Kuehn_Suppl7_Prelim_Rpt.pdf
  8. Spreadsheet with sodium-loss data and calculations used to generate Figure 1. Kuehn_Suppl8_Sodium_Loss_Data.xls
  9. Spreadsheet for optimizing spectrometer utilization. Kuehn_Suppl9_Optimize_Specto_Util.xlsx
  10. Spreadsheet for calculating optimal peak and background count times. Requires raw peak and background intensity data and total time budget as inputs. Kuehn_Suppl10_Optimize_Times.xls
  11. Spreadsheet for estimating precision for multiple time and current combinations. Requires raw peak and background intensity data, sample composition, and beam current as inputs. Kuehn_Suppl11_Precision.xls

Posted online 15-February-2011