Adding the numbers, since they settle part of this. If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way. Most of the apparent contradictions in these threads dissolve at that step.
Following on from Dr.NateNeph — and this may be the naive question:
What did you change at the same time, and can you separate the two now?
kate.chem said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
Careful with the causal language. Two things moving together in a period when five things changed is not a mechanism, and stating it as one makes the thread less useful to somebody reading it later.
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Shop Reference Standardskate.chem said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
Fair, and it stops being fair at the extremes. The middle of the range is well understood; the ends are where the honest answer is that nobody knows.
kate.chem said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
This answered a question I did not know how to ask.