Page 8 of 35 · 833 questions tagged purity.
The case in front of me: 99.1% · VendorInvestigate · 98.4%. I have two candidate explanations and no way to distinguish them. The same procedure has worked without…
The specifics, since they change the answer: 96.8% · PeptideMeter · 99.4% · Medutest. I am trying to choose between two options that are usually discussed as though…
Numbers first: 97.6% · Janoshik · 98.8%. 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…
Setup, so nobody has to ask: 97.1% · Medutest · 96.8%. I noticed this today and I have not touched anything since, in case the state is diagnostic. I have not…
Numbers first: 95.2% · a C8 column · tirzepatide. This is presented as though it settles something, and I am not convinced it does. I have two documents that appear…
Details up front: racemisation · dulaglutide · minus 20 °C. I can predict the outcome but I cannot explain it, which means I will get the next case wrong. I would…
Conditions: 97.1% · liraglutide · BCH. The failure mode I am trying to avoid is making this decision emotionally. I have twelve months in view and I would like the…
Numbers first: 98.8% · 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…
Concretely: KP · retatrutide. I can parse the result. I am less sure what it licenses me to conclude. I have deliberately not looked at anyone else’s interpretation…
What I have: hydrolysis · orforglipron · 40 °C. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a boring answer. I…
The particulars: 97.1% · semaglutide. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
Conditions: 97.9% · liraglutide. 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…
The specifics, since they change the answer: 99.1% · semaglutide · SGN. I would like to define my thresholds before I have a result, for obvious reasons. I want a…
Concretely: peptide mapping · oxidation · cagrilintide. I am trying to choose between two options that are usually discussed as though only one exists. I am not…
I have the report as a PDF with the chromatogram on page two, so I can quote specifics. I understand the observation; what I do not understand is the mechanism behind…
Concretely: aspartimide formation · a C4 column. I want to know whether this is a real physical effect or an artefact of how it is measured. What prompted the…
Numbers first: 96.8% · a C8 column · oral semaglutide. I can parse the result. I am less sure what it licenses me to conclude. I have deliberately not looked at…
The specifics, since they change the answer: BCH · cagrilintide. I have read the primary source rather than the summary, which has left me with more questions. I…
For reference: 97.9% · chromatogram. 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…
The specifics, since they change the answer: 97.1% · PeptideMeter · 95.2% · Janoshik. I am trying to choose between two options that are usually discussed as though…
What I am working with: 95.2% · sampling plan. I would like help reading this properly rather than being told what conclusion to reach. I have the full report…
For reference: 97.1% · survodutide. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ by a factor of…
This is my second independent submission on material from the same supplier. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware…
I have the report as a PDF with the chromatogram on page two, so I can quote specifics. I can do the algebra. I am not confident about the conversion factors. If…