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Topic summary

Splitting a vial for two laboratories: how to do it without ruining both — what changed since

This is a generated summary. It shows the 9 most-liked posts from a topic of 116, in their original order, with the accepted answer included where one exists. It is a reading aid and it will miss nuance — the full topic is the record.
ES
e.silvaTL219 Aug 2024#7

Right, and stated more narrowly than I would have dared to state it.

26 likes 23mo
SM
so.mbekiTL226 Aug 2024#17

Post #14 and I disagree about the size of the effect, not about the direction.

The question underneath Splitting a vial is usually "how would I tell?" rather than "what is true?", and that one has a method attached to it.

Write down what you would expect to see under each hypothesis before you collect anything. If they predict the same observation, collecting it will not help.

27 likes 23mo
KB
k.batistaTL21 Sep 2024#30

Where two services agree with each other and with the declared figure, that is a genuinely strong result and it applies to that lot.

I have kept the units in throughout, for the obvious reason.

27 likes 23mo
NA
n.achebeTL22 Sep 2024#32

Useful. I had the fact and not the reason, which turns out to be the important half.

31 likes 23mo
TT
taper_tableTL3Regular6 Sep 2024#39

Noted, and I have changed what I was going to do on the strength of it.

33 likes 23mo
VK
v.kirchnerTL28 Sep 2024#45
c.bakker, post #4: Adding a null result on Splitting a vial. I looked, carefully, and found nothing, and null results deserve posting precisely because they never are. Go to post

Two people in this thread mean different things by Splitting a vial and are disagreeing about the definition while believing they are disagreeing about the facts. Worth pausing to define it.

33 likes in reply to #4 23mo
SL
sleep_logTL2Regular12 Sep 2024#54

Confirming post #53 from a second method, which matters more than confirming it from a second person.

Where two services agree with each other and with the declared figure, that is a genuinely strong result and it applies to that lot.

29 likes 22mo
KB
k.brandl_deTL3Translator · DE26 Sep 2024#88
m.yildiz, post #59: Verification records are dated because they expire in usefulness. A result from two years ago describes a lot from two years ago. The short version is the first sentence; the rest is why. Go to post

Everything in post #86 holds. The case it does not cover is the one I have.

The documentation on Splitting a vial is better than this thread and I say that as someone who has posted in the thread.

29 likes in reply to #59 22mo
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DOdendaalTL3Regular29 Sep 2024#96
l.cabrera, post #93: Combining a chromatographic result with a documentation review gives a more complete picture than two chromatographic results, because the failure modes are different. Genuinely open to being wrong about this one. Go to post

Where two services agree with each other and with the declared figure, that is a genuinely strong result and it applies to that lot.

Small point, but it is the one that usually catches people.

28 likes in reply to #93 22mo

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