Page 30 of 35 · 833 questions tagged purity.
Conditions: ecnoglutide · VendorInvestigate. The figures are clear enough; the question is what they mean and what they do not. I can supply the numbers if the…
What I am working with: 98.8% · a C18 column · ecnoglutide. I would like help reading this properly rather than being told what conclusion to reach. I have the full…
What I am working with: 98.2% · a GLP-1 receptor agonist · QST. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but not…
What I am working with: QSC · a GLP-1 receptor agonist. I would like help reading this properly rather than being told what conclusion to reach. I have the full…
Stated plainly: aspartimide formation · liraglutide · room temperature. This is one of those things that everyone repeats and nobody derives. This matters…
Stated plainly: Janoshik · 96.8%. This is not behaving the way I expected and I want to understand the discrepancy before I act on it. I have photographed the current…
Numbers first: 98.4% · Janoshik · 97.1% · PeptideMeter. I want to know what the trade-off actually is rather than which option is fashionable. I would rather have a…
Stated plainly: 98.2% · batch certificate. I have read the primary source rather than the summary, which has left me with more questions. I understand the headline. I…
Concretely: a quantified content assay · fibrillation · dulaglutide. These are treated as interchangeable and I do not think they are. If both are acceptable I would…
Setup, so nobody has to ask: 97.9% · 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: 96.8% · mazdutide · Homopeptide. I am trying to build something sustainable rather than something thorough that I will abandon. I have…
For reference: tirzepatide · a wide-pore C18 column · liraglutide. I am trying to choose between two options that are usually discussed as though only one exists. I…
Details up front: a TFA mobile phase · retatrutide · a C4 column. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have…
Concretely: PeptideMeter · 95.2%. I think I have a problem. I am not yet sure whether it is a real problem or a measurement artefact. I want to know whether this is…
The case in front of me: 97.1% · VendorInvestigate · 95.2% · PeptideMeter. I would like the axes of comparison first and the recommendation second. I have tried the…
Conditions: a Karl Fischer water content test · oral semaglutide. These are treated as interchangeable and I do not think they are. If both are acceptable I would…
Numbers first: 98.2% · list of related substances. I can parse the result. I am less sure what it licenses me to conclude. I have deliberately not looked at anyone…
What I have: 95.2% · list of related substances. I can parse the result. I am less sure what it licenses me to conclude. I have deliberately not looked at anyone…
Details up front: 97.9% · Janoshik · 99.1% · Medutest. I have used one of these for a while and I am considering switching, which requires a reason. What I care about…
Stated plainly: identity confirmation by mass spectrometry · survodutide. I am trying to choose between two options that are usually discussed as though only one…
Concretely: SSA · survodutide. I have the document in front of me and I can read the numbers. What I cannot do is interpret them. I am reasonably comfortable with…
For reference: fibrillation · survodutide · 25 °C. I would like the mechanism, because I want to be able to reason about the cases nobody has written about. I have…
For reference: oral semaglutide · 95.2%. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
Numbers first: 97.6% · list of related substances. I can parse the result. I am less sure what it licenses me to conclude. I have deliberately not looked at anyone…