raj_cambridge said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
Filing a mild objection. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit. I think the framing smuggles in the conclusion. Ask it the other way round and the obvious answer reverses, which usually means the question is doing the work.
raj_cambridge said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
Right, and the exception is worth naming rather than left implied, because the exception is where people get into trouble.
raj_cambridge said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
This is exactly what I could not find anywhere else. Adding it to my notes with a link back to this thread.
Janoshik Analytical — Independent Testing
Trusted third-party HPLC & mass spectrometry analysis. Verify peptide purity with the lab the community relies on. Independent. Accurate. Transparent.
Verify Your PeptidesGL Biochem (Shanghai) Ltd. — Direct Manufacturer
Est. 1998. The synthesis house behind the vials you send for testing. ISO 9001 and cGMP certified, 1,500+ staff, batch-specific COA with every order.
Browse GL BiochemFrom the other side of the consultation, briefly. The version of this that has an answer is narrower than the version being asked. Narrow it and it becomes tractable; leave it broad and the thread will produce nine confident and incompatible replies.
Closing the loop on my own question.
Update: the thing I was blaming turned out not to be the cause. Leaving the original post as written rather than editing it, so the mistake stays visible for whoever searches this next.