HPLC vs. Mass Spectrometry: What Each Peptide Test Actually Tells You
HPLC measures peptide purity; mass spectrometry confirms identity. Here's how each method works, why you need both, and how to read the results on a COA.
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Tag: Peptide Purity Testing
What ≥99% Peptide Purity Really Means
≥99% purity sounds simple, but net peptide content, counter-ions and water change what's actually in the vial. Here's how to interpret purity claims correctly.