THE KNOWLEDGE DESK
Better questions.
Better understanding.
Practical reading for commissioning laboratory work and reviewing sample-linked reports.
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Make sense of the process.
Read the complete guide, then contact the laboratory for advice about your specific sample.
LABORATORY GUIDE
Lot numbers, report IDs and COA QR codes
Understand the difference between a lot reference, laboratory report ID and QR link. Learn how public COA lookup and direct-PDF access fit together.
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LABORATORY GUIDE
Comparing COA providers
Compare COA providers using practical questions about sample identification, testing scope, report access, revisions and public disclosure.
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LABORATORY GUIDE
How to read a certificate of analysis
Read a peptide COA in context: check the sample reference, method, units, report date and access link before drawing conclusions.
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LABORATORY GUIDE
How to choose a peptide laboratory
A practical guide to choosing a peptide laboratory: define your question, confirm the testing scope and request clear COA documentation.
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