Understanding Mass Spectrometry: What Does m/z Mean in Peptide Testing?
Learn how mass spectrometry identifies research peptides, what observed m/z means, and how to interpret molecular mass results on a COA.
← Back to Research LibraryThird-Party Testing
Understand the science behind independent laboratory testing and peptide quality verification. Explore analytical techniques including HPLC and mass spectrometry, learn how purity and content are measured, and discover how laboratory testing supports transparency and scientific research.
Understanding HPLC: How Laboratories Measure Peptide Purity
Learn how HPLC works, how laboratories interpret chromatograms, and what peptide purity percentages actually mean.
Peptide Purity vs. Peptide Content: What’s the Difference?
Learn the difference between peptide purity and actual content, how laboratories measure each, and why these results matter when interpreting COAs.
What Is Third-Party Peptide Testing?
Learn how independent laboratories analyze research peptides using HPLC, mass spectrometry, and documented quality testing.
CONTINUE EXPLORING
Explore More Research Topics
Discover additional educational resources from the NorthStar Research Library.