Page 20 of 20 · 466 questions tagged hplc.
The method section is present, which is unusual enough that I want to make use of it. I want the working, not the result — I need to be able to redo it with different…
Setup, so nobody has to ask: dulaglutide · a C18 column · tirzepatide. I suspect the honest answer is that it depends, in which case I would like to know on what.…
Setup, so nobody has to ask: retatrutide · Medutest. I have read the primary source rather than the summary, which has left me with more questions. I understand the…
The case in front of me: aspartimide formation · minus 80 °C. I want to know whether this is a real physical effect or an artefact of how it is measured. What…
The case in front of me: survodutide · a C4 column · tirzepatide. These are treated as interchangeable and I do not think they are. If both are acceptable I would…
Stated plainly: 99.4% · batch certificate. I have read the primary source rather than the summary, which has left me with more questions. I understand the headline. I…
Setup, so nobody has to ask: Janoshik · 97.1%. I noticed this today and I have not touched anything since, in case the state is diagnostic. I have not discarded…
Concretely: oxidation · oral semaglutide · 30 °C. This is one of those things that everyone repeats and nobody derives. This matters practically, not just…
What I am working with: 98.4% · a GLP-1 receptor agonist. I have worked this out and I would like someone to find the error, because I suspect there is one. My…
Setup, so nobody has to ask: a formic acid mobile phase · mazdutide · a wide-pore C18 column. The empirical answer seems settled. The explanation does not. If the…