Item Details

This olive oil quality reference material is used in the olive oil chemistry laboratory proficiency testing series. Each reference sample has been analyzed in the AOCS Laboratory Proficiency Program and includes an analysis report with all reported analyst results, identification of outlying results, and mean and standard deviation of results after removal of outlying results.

Sample
Olive Oil

Test Method and Determination
PART A
Ca 5a-40 Free Fatty Acids
Cd 8b-90 Peroxide Value
COI/T.20/Doc.19/Rev.5-2019 or AOCS Ch 5-91 Delta K (UV Extinction)
COI/T.20/Doc.19/Rev.5-2019 or AOCS Ch 5-91  K270, K232, K225*

PART B
COI/T.20/Doc.20/Rev.4-2017 or AOCS Ce 5b-89 Triglycerides (ECN 42)
COI/T.20/Doc.33/Rev.1-2017, ISO 12966-4:2015, AOCS Ch 2-91 or Ce 2-66 Fatty Acid Composition
ISO 29822:2009 Diacylglycerols*
ISO 29841:2009 Pyropheophytin*

PART C
COI/T.20/Doc.26/Rev.5-2020, ISO 12228-2:2014 or AOCS Ch 6-91 Sterols
COI/T.20./Doc.16/Rev.2-2017 Sterenes*
COI/T.20/Doc.11/Rev.4-2021 or AOCS Cd 26-96 Stigmastadienes
COI/T.20/Doc.28/Rev.2-2017 or AOCS Ch 8-02 Waxes
COI/T.20/Doc.23/Rev.1-2017 Contents of 2-Glycerol Monopalmitate*
COI/T.20/Doc.29/Rev.1-2017 Biphenols*

*Optional test

Determination

  • Biophenols (Optional Test)
  • Contents of 2-Glycerol Monopalmitate (Optional Test)
  • Delta K (UV Extinction)
  • Diacylglycerols (Optional Test)
  • Fatty Acid Composition
  • Free Fatty Acids
  • K270, K232, K225 (Optional Test)
  • Peroxide Value
  • Pyropheophytin (Optional Test)
  • Sterenes (Optional Test)
  • Sterols
  • Stigmastadienes
  • Triglycerides (ECN 42)
  • Waxes

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Available Samples from the Series

  • Olive Oil