Page 2 of 8 · 179 questions tagged reference-standard.
The method section is present, which is unusual enough that I want to make use of it. The figures are clear enough; the question is what they mean and what they do…
Concretely: 97.6% · VendorInvestigate · 98.8% · Janoshik. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to…
Numbers first: 96.4% · Janoshik · 98.8% · Medutest. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is…
What I am working with: 97.6% · Medutest · 98.4% · Janoshik. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I can…
Concretely: ecnoglutide · a C4 column · tirzepatide. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to know…
Concretely: 97.6% · VendorInvestigate · 99.1% · Medutest. I would like the axes of comparison first and the recommendation second. I have tried the first option and…
Conditions: ecnoglutide · a C4 column · retatrutide. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to know…
The specifics, since they change the answer: 98.8% · PeptideMeter · 98.4% · Janoshik. I am trying to choose between two options that are usually discussed as though…
For reference: liraglutide · a wide-pore C18 column · tirzepatide. I am trying to choose between two options that are usually discussed as though only one exists. I…
What I have: 98.2% · Janoshik · 96.8% · Medutest. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is…
The particulars: 97.1% · PeptideMeter · 99.4% · Medutest. I am trying to choose between two options that are usually discussed as though only one exists. I am not…
The case in front of me: ecnoglutide · a C4 column · survodutide. I would like the axes of comparison first and the recommendation second. I have tried the first…
The specifics, since they change the answer: 96.8% · PeptideMeter · 99.4% · PeptideMeter. I am trying to choose between two options that are usually discussed as…
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…
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…
Details up front: 95.2% · Janoshik · 97.6% · Medutest. I have used one of these for a while and I am considering switching, which requires a reason. What I care about…
Setup, so nobody has to ask: orforglipron · a C18 column · retatrutide. I suspect the honest answer is that it depends, in which case I would like to know on what.…
What I am working with: 99.1% · Medutest · 95.2% · Medutest. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I can…
What I have: 98.2% · Janoshik · 97.9% · PeptideMeter. I have used one of these for a while and I am considering switching, which requires a reason. What I care about…
Setup, so nobody has to ask: 95.2% · Medutest · 96.8% · PeptideMeter. I suspect the honest answer is that it depends, in which case I would like to know on what.…
Setup, so nobody has to ask: 95.2% · Medutest · 96.8% · Janoshik. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I…
Concretely: an ammonium formate mobile phase · liraglutide · a C8 column. This is one of those things that everyone repeats and nobody derives. This matters…
I have the report as a PDF with the chromatogram on page two, so I can quote specifics. I would like the mechanism, because I want to be able to reason about the…
I have both a purity figure and a content figure, which is why the discrepancy is visible. I can predict the outcome but I cannot explain it, which means I will get…