MikeFit_NJ said:Update — I was wrong in the opening post, specifically about the direction.
This is my experience too, for whatever a second data point is worth. The detail I would add is minor and it is already implied above.
MikeFit_NJ said:Update — I was wrong in the opening post, specifically about the direction.
There is a second half to this that has not been said yet. Take it one variable at a time. Almost every unanswerable question in these threads is unanswerable because three things changed in the same fortnight, and no amount of subsequent argument can untangle them after the fact.
The figures, for anyone assembling their own picture. One habit that pays for itself: post the method alongside the number. A figure without its method cannot be checked, and an unchecked figure is how this community accumulates folklore.
Certified reference materials, analytical reagents, and research-grade standards for peptide verification. Trusted by laboratories worldwide.
Shop Reference StandardsA narrower follow-up, since the general answer is now clear:
How would you tell the difference between that and the alternative explanation?
DanielChem_CHI said:One habit that pays for itself: post the method alongside the number.
Pushing back on DanielChem_CHI here. The objection nobody has made: this only works if the measurement is doing what we assume it is doing, and that assumption has not been tested here.
Happy to go further on any of that.