[Lab] TFC BPC — Janoshik came back 98.3% against a claimed 98.0%
The claim in the title is exactly the claim I am making: TFC BPC — Janoshik came back 98.3% against a claimed 98.0%. Nothing implied beyond it. Since the title puts numbers in the shop window: 98.3% and 98.0%. Area percent and net peptide content are different measurements and most reports give one. Quote which, or…
Date of analysis anchors the result to a manufacturing period. A two-year-old result is evidence about two years ago and should be read that way.
post the claim next to the result or the number floats
say whether you paid for it yourself
This. The trend across separate lots is the number that tells you about a process rather than a vial.
Which service, and did you pay for it yourself?
vendor, compound, batch, service, result — that is the template
Inter-lab variance on this assay runs roughly a point either way, driven mostly by gradient and integration. Two results inside that band agree; they do not disagree quietly.
Is that the same lot as the one in the thread from last month?
If the report gives a mass spectrum as well as UV purity, say so. Identity and relative quantity are separate claims and the log tracks both.
Careful with the trend claim. Four results over two years is a very sparse series to draw a line through.