GeoPT3. International proficiency test for analytical geochemistry laboratories - Report on round 3

Michael Thompson*, Philip J. Potts, Jean S. Kane, Bruce W. Chappell

*Corresponding author for this work

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    Results from seventy two laboratories participating in GeoPT3, round three of the international proficiency testing programme for analytical geochemistry laboratories/ are presented. The report includes analytical results contributed by participating laboratories, together with the z-scores derived from these results using appropriate fitness for purpose criteria. These data are available for use as part of the laboratories' quality control procedures to assess the reliability of analysed results.

    Original languageEnglish
    Pages (from-to)87-121
    Number of pages35
    JournalGeostandards Newsletter
    Volume23
    Issue number1
    DOIs
    Publication statusPublished - 1999

    Keywords

    • GeoPT
    • GeoPT3 round
    • Proficiency testing
    • Quality assurance
    • Quality control
    • Silicate rock

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