[Results] 52 weeks, 35kg, and integration was the hard part
I have had 21 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 12 days on nominally the same lane, which matters more in summer than in February. The independent number came back 93.7% against a claimed…
co-elution is real and purity is usually not enough to resolve it
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integration decision on a shoulder changes your number by half a point on its own
Strongly agree. Largest single impurity tells a different story than total purity.
related substances are where the story lives, not the main peak
Injection volume and flow rate? Those affect resolution.
two labs, two different baselines, two different purity numbers, both honest
state the method: column, gradient, detection wavelength, injection volume
Yeah, the chromatogram profile matters more than the headline number.