Page 16 of 19 · 438 questions tagged content-assay.
Stated plainly: aggregation · mazdutide · 25 °C. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody knows, I would…
For reference: GL Biochem · 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…
What I have: 98.2% · orforglipron · SSA. 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 viable…
Conditions: semaglutide · 5 mg/mL. Please show the division. I want to check my own against yours. I would like the general form as well as the specific number, so I…
I have both a purity figure and a content figure, which is why the discrepancy is visible. I am trying to choose between two options that are usually discussed as…
Conditions: a Karl Fischer water content test · tirzepatide. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to…
Concretely: semaglutide · 8 mg/mL. I want the working, not the result — I need to be able to redo it with different numbers. I care about the precision as well as the…
The particulars: 96.4% · semaglutide · KP. I am at the decision point and I would rather think it through than improvise. I would rather spend money on measurement…
This is my second independent submission on material from the same supplier. I have the document in front of me and I can read the numbers. What I cannot do is…
The case in front of me: TFC · liraglutide. 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…
The case in front of me: oxidation · tirzepatide · minus 20 °C. I want to know whether this is a real physical effect or an artefact of how it is measured. What…
Numbers first: 97.6% · orforglipron · GL Biochem. 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…
Stated plainly: 96.4% · a GLP-1 receptor agonist · HJ. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but not tight,…
Numbers first: JEEP · dulaglutide. Before I write this off, I want to check whether it is a known failure mode. I have the lot number, the certificate and the date,…
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…
Conditions: aspartimide formation · liraglutide · room temperature. This is one of those things that everyone repeats and nobody derives. This matters practically,…
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…
What I have: SGN · orforglipron. Before I write this off, I want to check whether it is a known failure mode. I have the lot number, the certificate and the date, and…
The specifics, since they change the answer: peptide mapping · semaglutide. I would like to define my thresholds before I have a result, for obvious reasons. I want a…
Concretely: 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…
The specifics, since they change the answer: identity confirmation by mass spectrometry · survodutide. I am trying to choose between two options that are usually…
The specifics, since they change the answer: SSA · survodutide. I have the document in front of me and I can read the numbers. What I cannot do is interpret them. I…
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…