Adding the numbers, since they settle part of this. One practical note: write down what you did and when, before you need it. Reconstructing a timeline from memory three months later is how people end up unable to answer the one question that would have resolved it.
One thing that is still open after Dr.SportsMedIN’s answer:
Was that from a primary source or from a summary of one?
lucas_SP_BR said:One practical note: write down what you did and when, before you need it.
I am going to disagree with the direction of travel here. The thread has converged on the tidiest answer rather than the best-supported one, and those are not the same thing.
Trusted third-party HPLC & mass spectrometry analysis. Verify peptide purity with the lab the community relies on. Independent. Accurate. Transparent.
Verify Your PeptidesEst. 1998. The synthesis house behind the vials you send for testing. ISO 9001 and cGMP certified, 1,500+ staff, batch-specific COA with every order.
Browse GL Biochemlucas_SP_BR said:One practical note: write down what you did and when, before you need it.
Agreed on the substance. I would put less weight on the timescale, because two months of anything is not enough to distinguish a trend from a wobble.
Reporting back.
Closing this out: the trough rather than the peak explains the pattern I was seeing on day six, which I had been blaming on the vial.