anyone want to co-fund a quantity test on a lot i already own
#lab-requests 2026-03-17
Tuesday44 messages9 participantstimes are UTC
Highlights from this day
- reta_resting_hr — two labs on the same lot is a luxury but it is how we learned what inter-lab variance looks like 12:54
- karl_fischer — including a reference standard in the batch is the single best thing we ever added to this process 14:41
- ms_ms_mira — submissions go out blinded. the lab gets a code, not a supplier name. that removes one variable, it is not distrust 15:17
label the syringe
11:11ferrous_ash pinned a message to this channel
we have never had a lab mix up a sample. we have had members mix up their own labelling twice
roughly one sample in 9 rounds has gone missing in transit. budget for it emotionally
do you want the vial reconstituted or as powder
quick one a code and a lot number on the syringe in permanent marker. that is the whole labelling requirement
the queue is posted and updated. if your code is not on it, it did not arrive
chain of custody in hobby testing is weak and we say so in every writeup, not advice obviously
keep half back
[edited]thats the turnaround
we do not help with wording beyond that and the mods are strict about it
in for one
do i send a syringe or the whole vial
dont send your only vial
declare it as an analytical reference sample with a low value. that is what it is, not advice obviously
how many people do we need before the split is worth it
coming back after 26 months, is the submission process the same
two labs on the same lot is a luxury but it is how we learned what inter-lab variance looks like
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add a standard
can i add a second lot to the same submission
code not name
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whats the wording on the customs declaration for a sample
we publish the raw report. summaries hide the thing you needed to see
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send powder
who is coordinating this round
coordinating this round
publish the raw
whats the split
how do we stop the pool telling us about the pool instead of my vial
quantity is the test worth paying for. purity is usually fine and fill usually is not
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update from 3 months ago: the blinding process is unchanged and it has held up fine
is it worth including a reference standard in the batch
count me in
i keep half the sample back so there is something to send if the first one goes missing
including a reference standard in the batch is the single best thing we ever added to this process
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i coordinate the round, collect the codes, and post every result including the dull ones
roughly one sample in 8 rounds has gone missing in transit. budget for it emotionally
the split works from about 2 people. below that everyone pays more than the test is worth
a pooled result tells you about the pool. it does not tell you about your vial
blinded obviously
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queue is posted
[edited]whats the failure rate on samples actually arriving
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submissions go out blinded. the lab gets a code, not a supplier name. that removes one variable, it is not distrust
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turnaround has been between 5 days and twice that depending on the queue, thats just me
we have never had a lab mix up a sample. we have had members mix up their own labelling twice