Page 22 of 35 · 833 questions tagged purity.
Concretely: 97.6% · a C4 column · orforglipron. The figures are clear enough; the question is what they mean and what they do not. I can supply the numbers if the…
Concretely: oxidation · liraglutide · 37 °C. I want to know whether this is a real physical effect or an artefact of how it is measured. What prompted the question is…
Details up front: a GLP-1 receptor agonist · a C8 column · semaglutide. I have used one of these for a while and I am considering switching, which requires a reason.…
For reference: 96.8% · PeptideMeter · 96.4%. An unexpected observation, and I would like a differential rather than reassurance. The conditions were within what I…
What I am working with: 99.4% · cagrilintide · HJ. I am trying to build something sustainable rather than something thorough that I will abandon. I have already…
What I am working with: 98.2% · sampling plan. I would like help reading this properly rather than being told what conclusion to reach. I have the full report…
Setup, so nobody has to ask: orforglipron · a C18 column · survodutide. Both of these get recommended confidently by different people, which suggests neither is…
What I am working with: racemisation · orforglipron · room temperature. I can predict the outcome but I cannot explain it, which means I will get the next case wrong.…
What I have: HJ · oral semaglutide. The figures are clear enough; the question is what they mean and what they do not. I can supply the numbers if the specifics…
The specifics, since they change the answer: 99.1% · PeptideMeter · 97.9%. Something has gone wrong and I would like to know how badly before I decide what to do.…
The case in front of me: KP · dulaglutide. This is presented as though it settles something, and I am not convinced it does. I have two documents that appear to…
What I am working with: 98.4% · batch certificate. I have read the primary source rather than the summary, which has left me with more questions. I understand the…
The particulars: 96.4% · ecnoglutide. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
Conditions: 98.4% · a C4 column · dulaglutide. The figures are clear enough; the question is what they mean and what they do not. I can supply the numbers if the…
The particulars: 95.2% · semaglutide · SGN. I am at the decision point and I would rather think it through than improvise. I would rather spend money on measurement…
The specifics, since they change the answer: 98.2% · PeptideMeter · 99.4%. Something has gone wrong and I would like to know how badly before I decide what to do.…
The case in front of me: PeptideMeter · 98.2%. I have two candidate explanations and no way to distinguish them. The same procedure has worked without incident…
Numbers first: cagrilintide · a C8 column · liraglutide. I have used one of these for a while and I am considering switching, which requires a reason. What I care…
What I have: 97.6% · Janoshik · 98.4% · Medutest. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is…
Numbers first: 97.6% · Janoshik · 98.8% · PeptideMeter. I want to know what the trade-off actually is rather than which option is fashionable. I would rather have a…
Details up front: 97.9% · retatrutide · GGPeps. This is a planning question. I know what my options are; I do not know how to weigh them. What I want is the minimum…
What I am working with: dulaglutide · a C18 column · survodutide. Both of these get recommended confidently by different people, which suggests neither is obviously…
What I am working with: 98.2% · Medutest · 96.8% · Janoshik. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I can…
What I have: 97.6% · Janoshik · 97.1%. I have a result I cannot explain, and I would rather diagnose it than guess. I have checked the obvious explanations and…