Analytics & quality ·
Buying peptides: what to check before you order research peptides
How to buy research peptides in the EU: how to recognise a reputable supplier, check lab reports and what applies to shipping, customs and the law.
Analytics & quality ·
Peptide purity: reading a lab report line by line
What is in a peptide lab report? HPLC purity, measured amount, identity and verification key explained line by line, with a checklist.
Analytics & quality ·
Batches & traceability: from vial to certificate
What a batch number means, how it links to the certificate of analysis and how to document your material end to end in the lab notebook.
Analytics & quality ·
Endotoxin and water content: what HPLC purity does not show
HPLC purity is not peptide content. What water, counter-ions and endotoxins mean, how they are measured and why it matters for concentration calculations.
Analytics & quality ·
How to read a chromatogram
Retention time, peak area, baseline and minor peaks: how to read the HPLC chromatogram on a peptide certificate of analysis and understand the purity figure.