Testing & Quality

What laboratory documentation reports, how each test is performed, and what it leaves unanswered.

Articles in Testing & Quality

Illustration for: How to Read a Peptide Certificate of Analysis
Testing & Quality2 min read

How to Read a Peptide Certificate of Analysis

A certificate of analysis is a testing record, not a quality guarantee. Here is what each section actually reports and which questions it leaves open.

Recomp Report Editorial Team · 12 September 2026

Illustration for: Purity, Identity, and Content: What Different Tests Measure
Testing & Quality2 min read

Purity, Identity, and Content: What Different Tests Measure

Three words that are often used interchangeably describe three genuinely different measurements. Confusing them is the most common misreading of peptide test data.

Recomp Report Editorial Team · 6 September 2026