Research guides

Practical documentation on purity testing, handling, storage and reading analytical paperwork.

How HPLC purity testing works

What a purity percentage actually measures, and how to read the chromatogram behind it.

Handling lyophilized peptides so the material in the vial still matches the certificate.

The fields that matter on a COA, and the ones that signal a document worth questioning.

How research-use-only material should be ordered, recorded and handled.