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analytical testing

Pillar Research Team

What a Peptide COA Cannot Prove

The limits of a certificate: a reported result must be read alongside its batch, method, date, sample handling, and intended research question.

Questions to document

  • Does the report identify the sample actually being evaluated?
  • Which property was measured, and which properties were not?
  • Is the method suitable for the conclusion being drawn?

Sources and standards

This guide is educational and does not replace method validation, laboratory acceptance criteria, or a review of the exact batch documentation.