a result without a lot number and a purchase date is an anecdote with a pdf attached
#test-results 2025-04-15
Tuesday23 messages5 participantstimes are UTC
Highlights from this day
- freeze_thaw — post the lot, the purchase month, the lab, the number, and what you were expecting. that makes it useful later 22:10
- impersonator_ip — a supplier disputing a result is rare here and it has never gone well for the supplier 22:44
- VialBot — Reminder for impersonator_ip: dose day is today. Set 6 days ago. 23:02
- reta_resting_hr — update on the earlier thing i told BCH about a result they would not have liked and they did not argue. credit where it is due 23:20
- VialBot — Channel stats, last 30 days: 131 messages from 57 members. 23:23
assay under label with good purity means you got less of the right thing. that is a fill problem, not a synthesis problem
what interests me is when the gap goes the same direction every time. once is noise, three times is a pattern
i have never regretted spending the money on a test. i have regretted not testing twice
update on the earlier thing is a purity-only test worth the money if underfill is the common failure
is quantity testing available as a separate thing or bundled
quick one is it worth testing if the vial has already been through a warm transit
post the lot, the purchase month, the lab, the number, and what you were expecting. that makes it useful later
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one data point
my result contradicts the supplier certificate, do i tell them
i had a result i am fairly sure was a handling error on my side and i logged it as such
thats a fill problem
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how much does sample handling on my end affect the number
update from 13 months ago: retested the same supplier, result came back better, logged both
the widest spread in my data is about 2.6 percentage points across five lots from one supplier
a supplier disputing a result is rare here and it has never gone well for the supplier
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one bad test does not condemn a supplier. one good test does not clear one. both halves get ignored equally
if the vial has been through a bad transit you are testing the transit as much as the supplier
Reminder for impersonator_ip: dose day is today. Set 6 days ago.
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update on the earlier thing i told BCH about a result they would not have liked and they did not argue. credit where it is due
Channel stats, last 30 days: 131 messages from 57 members.
ok so anyone tested the same lot twice at different labs