[Question] is 96.8% actually fine or am I being sold a rounding error
is 96.8% actually fine or am I being sold a rounding error, and before anyone asks: same batch throughout, single submission, no cherry-picking between services. 96.8% — those are the numbers, and they are the ones I am willing to defend. UV response is not uniform across species. At 214nm you are looking at the…
Disagree. Inter-lab spread of a point or two on this assay is ordinary and calling it a discrepancy misleads people.
What did system suitability look like on that sequence?
What did system suitability look like on that sequence?
This is the whole methodological point of the board in one line.
retention time alone is not identity
Right. And a blank between injections settles the carryover argument before it starts.
That is area percent, not mass percent. The trace cannot give you the second one.
a blank injection between samples costs four minutes and settles most arguments