blinded obviously
#lab-requests 2026-03-31
Tuesday46 messages12 participantstimes are UTC
Highlights from this day
- ten_of_ten — including a reference standard in the batch is the single best thing we ever added to this process 19:22
- VialBot — Reminder set. I will post here in 7 days. 19:30
- bench_notes — is it worth including a reference standard in the batch declare it as an analytical reference sample with a low value. that is what it is 19:58
- endotoxin_ed — is there a queue position i can check 20:40
- bench_notes — if you want to know about your vial, you have to submit your vial. that is the whole answer 20:44
can i add a second lot to the same submission
code not name
declare it as an analytical reference sample with a low value. that is what it is
Testing queue: 2 submissions open, 113 awaiting dispatch.
keep half back
[edited]a pooled result tells you about the pool. it does not tell you about your vial
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we have never had a lab mix up a sample. we have had members mix up their own labelling twice
add a standard
send a capped syringe with enough for a rerun. the minimum is never enough if they need to repeat it
including a reference standard in the batch is the single best thing we ever added to this process
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follow up roughly one sample in 2 rounds has gone missing in transit. budget for it emotionally
[edited]we publish the raw report. summaries hide the thing you needed to see
including a reference standard in the batch is the single best thing we ever added to this process
who is coordinating this round
Reminder set. I will post here in 7 days.
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queue is posted
what compound should we prioritise for the next round
do you want the vial reconstituted or as powder
is it worth including a reference standard in the batch
declare it as an analytical reference sample with a low value. that is what it is
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while im here update from 18 months ago: the blinding process is unchanged and it has held up fine
powder if you can. reconstituted travels worse and adds a variable we cannot control
i keep half the sample back so there is something to send if the first one goes missing
Assay note: CPC lot KP-0925 reported at 98.1% of label content.
unrelated but turnaround has been between 25 days and twice that depending on the queue
powder if you can. reconstituted travels worse and adds a variable we cannot control
quantity is the test worth paying for. purity is usually fine and fill usually is not
how many people do we need before the split is worth it
dont send your only vial
is there a queue position i can check
code compound submitted status
R-01 semaglutide 2026-02-14 reported
R-02 tirzepatide 2026-02-14 reported
R-03 retatrutide 2026-02-16 in queue
R-04 reference std 2026-02-16 reportedchain of custody in hobby testing is weak and we say so in every writeup, i think
if you want to know about your vial, you have to submit your vial. that is the whole answer
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ok so we do not help with wording beyond that and the mods are strict about it
chain of custody in hobby testing is weak and we say so in every writeup
Medutest has been the fastest for us. VendorInvestigate has been the most detailed. those are not the same lab
how do we stop the pool telling us about the pool instead of my vial
thats the turnaround
publish the raw
label the syringe
coordinating this round
in for one
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i coordinate the round, collect the codes, and post every result including the dull ones
the split works from about 5 people. below that everyone pays more than the test is worth
anyone want to co-fund a quantity test on a lot i already own
what happens if a submission gets lost in transit
submissions go out blinded. the lab gets a code, not a supplier name. that removes one variable, it is not distrust
do not send your only vial. that has happened twice and both times it hurt
the queue is posted and updated. if your code is not on it, it did not arrive
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two labs on the same lot is a luxury but it is how we learned what inter-lab variance looks like
while im here do we publish the raw report or a summary