Page 29 of 33 · 788 questions tagged purity.
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…
What I have: 95.2% · purity figure. I can parse the result. I am less sure what it licenses me to conclude. I have deliberately not looked at anyone else’s…
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…
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…
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% · purity figure. I can parse the result. I am less sure what it licenses me to conclude. I have deliberately not looked at anyone else’s…
Details up front: 96.8% · retatrutide. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is…
The particulars: 97.9% · PeptideMeter · 99.1%. Something has gone wrong and I would like to know how badly before I decide what to do. Nothing else in the setup…
Numbers first: 98.4% · dulaglutide · QYB. 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…
The specifics, since they change the answer: liraglutide · a wide-pore C18 column · liraglutide. The comparison I want does not seem to exist anywhere in a form I can…
The specifics, since they change the answer: fibrillation · ecnoglutide · 37 °C. I would like the mechanism, because I want to be able to reason about the cases…
I have the report as a PDF with the chromatogram on page two, so I can quote specifics. The comparison I want does not seem to exist anywhere in a form I can…
Details up front: 98.2% · dulaglutide · GGPeps. I would rather over-plan the first cycle and simplify later. I am prepared to do the work if someone can tell me which…
Details up front: hydrolysis · retatrutide · 37 °C. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a boring…
The particulars: QYB · ecnoglutide. 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…
Concretely: semaglutide · a C4 column · survodutide. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to know…
What I am working with: an endotoxin test · mazdutide. Both of these get recommended confidently by different people, which suggests neither is obviously right. My…
For reference: VendorInvestigate · 96.4%. Something has gone wrong and I would like to know how badly before I decide what to do. Nothing else in the setup changed,…
The specifics, since they change the answer: 97.9% · list of related substances. I have the document in front of me and I can read the numbers. What I cannot do is…
What I am working with: an endotoxin test · a GLP-1 receptor agonist. Both of these get recommended confidently by different people, which suggests neither is…
I have the report as a PDF with the chromatogram on page two, so I can quote specifics. Something has gone wrong and I would like to know how badly before I decide…
Numbers first: 98.8% · orforglipron. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay this out, I would rather…