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Intercomparison of Tephrochronology Laboratories




Results and Recommendations

Manuscript submitted to the INTREPID Tephrochronology special volume of Quaternary International

Kuehn-Froese-Shane_INTAV_Figs.pdf

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