tried purity for 20 weeks. here is what happened.
I have had 17 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied by about 14 days on nominally the same lane, which matters more in summer than in February. The independent number came back 97.9% against a claimed…
What was the column and what gradient?
the gradient is doing the separation work, not the column alone
Yeah, the chromatogram profile matters more than the headline number.
a round-robin on baseline integration would be genuinely useful
This is the "correlation is mechanism" thing again. You changed three variables at once.
state the method: column, gradient, detection wavelength, injection volume