Blog Tag
analytical chemistry
3 articles tagged with ‘analytical chemistry’
Quality & TestingJuly 7, 2026
How to Verify Peptide Purity: HPLC, Mass Spectrometry, and Red Flags
A practical guide to interpreting HPLC chromatograms, mass spectrometry data, and Certificates of Analysis — with specific red flags that expose low-quality peptide suppliers before they compromise your research.
15 min read
Quality & TestingJuly 7, 2026
How to Read a Certificate of Analysis (COA): The Complete Guide for Peptide Researchers
A working guide to interpreting every section of a peptide Certificate of Analysis — from HPLC chromatograms and mass spec data to spotting the red flags that separate credible documentation from recycled paperwork.
15 min read
ScienceJune 12, 2026
Understanding HPLC Purity Testing in Peptide Research
An in-depth look at how HPLC works, why it's the gold standard for peptide purity analysis, and how to interpret chromatographic data in COA documents.
7 min read