Fake COA: forensic checklist + examples of inconsistencies (educational)
S157 // COA FORENSICS HPLC and LC-MS appear in almost all COAs on the research market. The problem is treating
January 22, 2026
STATUS: Open File.
Live archive. Subtitle + summary in PubMed mode — Technical summary, without noise.
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99% purity": baseline, integration and the 6 most common red flags
Abstract - "99% purity" is a short phrase with enormous weight, but it's almost always misinterpreted. In practice,
January 21, 2026
ISO/IEC 17025 and chain of custody: how to audit a report
Abstract - An analytical report is only useful if it is auditable: clear method, traceability, document integrity and minimum evidence
January 21, 2026
HPLC vs LC-MS: what each method confirms (and what it doesn't)
Abstract - In peptide and analogue research, "purity" on paper is not synonymous with "correct identity". HPLC and LC-MS
January 21, 2026
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