ANALYTICAL TESTING
HPLC and mass spectrometry in identity testing
7 min · UPDATED 2026-02-01
An overview of the two analytical methods most commonly referenced in peptide batch documentation.
Why two methods
Chromatographic separation and mass analysis answer different questions: relative composition versus molecular identity. Reports that combine both are more informative than either alone.
Sources
- Add methodology reference — Reference pending
This entry is educational and research information. It is not medical advice and does not describe use in humans or animals.