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Analysis 6 min read
Understanding peptide purity
What a reported purity figure describes, how it is calculated, and what it does not tell you about a material.
Research library
Background reading
General, educational writing on analytical methods, documentation and traceability. No guidance on use is provided.
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Methods 8 min read
HPLC vs LC-MS
Two common analytical approaches, what each measures, and why documentation often references both.
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Traceability 4 min read
Why batch numbers matter
How a batch reference links a label, a listing and an analytical record — and why that link is the point.
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Documentation 7 min read
Reading a certificate of analysis
A field-by-field walkthrough of the sections commonly found in analytical reports.
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Handling 5 min read
Storage and handling in the laboratory
General laboratory practice for storing and handling research materials and their containers.
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Analysis 6 min read
Specifications, tolerances and reporting limits
Why analytical results are reported with limits, and how specifications are written around them.
For laboratory research purposes only. Not for human consumption.
Updates
Occasional notes from the lab
New listings, updated batch documentation and additions to the research library. Roughly once a month. Unsubscribe at any time.