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analytical testing

Pillar Research Team

HPLC vs LC-MS for Peptide Analysis

How chromatographic separation and mass-based identification answer different analytical questions.

Questions to document

  • What does the chromatogram separate and quantify?
  • Does the mass signal align with the expected identity?
  • What sample preparation and method limitations are reported?

Sources and standards

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