Page 14 of 35 · 833 questions tagged purity.
The case in front of me: an endotoxin test · racemisation · survodutide. I suspect the honest answer is that it depends, in which case I would like to know on what.…
The specifics, since they change the answer: 96.4% · PeptideMeter · 97.9% · Janoshik. The comparison I want does not seem to exist anywhere in a form I can evaluate.…
For reference: 97.1% · PeptideMeter · 96.8% · Medutest. I am trying to choose between two options that are usually discussed as though only one exists. I am not…
The specifics, since they change the answer: 98.4% · PeptideMeter · 98.2% · Medutest. The comparison I want does not seem to exist anywhere in a form I can evaluate.…
Stated plainly: 97.6% · Medutest · 98.2%. I noticed this today and I have not touched anything since, in case the state is diagnostic. I have not discarded anything…
The particulars: dulaglutide · Medutest. I have read the primary source rather than the summary, which has left me with more questions. I understand the headline. I…
The method section is present, which is unusual enough that I want to make use of it. I would like to know the limits of what can be inferred from this. What I am…
The method section is present, which is unusual enough that I want to make use of it. I have worked this out and I would like someone to find the error, because I…
Conditions: 98.2% · method section. The figures are clear enough; the question is what they mean and what they do not. I can supply the numbers if the specifics…
Conditions: PeptideMeter · 98.4%. 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…
What I have: 97.9% · Janoshik · 99.1%. I have a result I cannot explain, and I would rather diagnose it than guess. I have checked the obvious explanations and…
The method section is present, which is unusual enough that I want to make use of it. I want to know whether this is a real physical effect or an artefact of how it…
What I am working with: 96.4% · Medutest · 97.1%. This is not behaving the way I expected and I want to understand the discrepancy before I act on it. I have…
The particulars: mazdutide · Janoshik. This is presented as though it settles something, and I am not convinced it does. I have two documents that appear to disagree,…
What I have: 97.1% · orforglipron. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is…
Details up front: hydrolysis · retatrutide · 4 °C. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a boring…
Conditions: 97.1% · method section. 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 particulars: oral semaglutide · a wide-pore C18 column · tirzepatide. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read…
The case in front of me: 98.2% · liraglutide. I want the working, not the result — I need to be able to redo it with different numbers. I care about the precision as…
A report I have includes traces at two wavelengths from the same injection, using a diode-array detector. The 214 nm trace integrates to 98.6% and the 280 nm trace to…
Setup, so nobody has to ask: aggregation · mazdutide · 30 °C. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody knows,…
What I am working with: a Karl Fischer water content test · liraglutide. These are treated as interchangeable and I do not think they are. If both are acceptable I…
Concretely: GGPeps · semaglutide. I want to understand what this actually establishes, as opposed to what it is being used to imply. My concern is that I am being…
Stated plainly: 98.2% · cagrilintide · Homopeptide. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but not tight, and…