Source for the Submitting a sample figure, since it was asked for. It is in the discussion rather than the abstract, which is why the version circulating is stronger than the paper is.
Reading the surrounding paragraph is worth the two minutes. The authors are more careful than their summarisers.
Coming back to the opening post, because the follow-up matters more than the original answer.
Repeat determination on the same product line months apart is the measurement that speaks to consistency, and consistency is what most buyers actually want.
If anyone has run this properly I would rather read that than my own guess.
Post #9 is right about the mechanism and I think understates the practical bit.
One caution on Submitting a sample: everything above assumes the underlying documentation is what it claims to be. That assumption is doing real work and is rarely stated.
Read the full topic (17 posts)
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