is anyone tracking results over time in a way they would share
#test-results 2025-08-09
Saturday17 messages6 participantstimes are UTC
Highlights from this day
*Medutest not the other one
is it worth testing if the vial has already been through a warm transit
i had a result i am fairly sure was a handling error on my side and i logged it as such
update from 14 months ago: retested the same supplier, result came back better, logged both
underfill is more common than impurity. if you only test purity you are testing the less likely failure
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weigh the vial before you reconstitute. it costs nothing and catches the common failure, n of 1 obviously
whats the underfill rate people are actually seeing
underfill is more common than impurity. if you only test purity you are testing the less likely failure
slightly off topic but a supplier disputing a result is rare here and it has never gone well for the supplier
a single sample tells you about a single vial. that is genuinely all it tells you
if you are testing to settle an argument you will not settle it with n of 1
if the vial has been through a bad transit you are testing the transit as much as the supplier
anyone tested the same lot twice at different labs
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whats the lot
Testing queue: 3 submissions open, 125 awaiting dispatch.
log the lot number
selection bias
a result without a lot number and a purchase date is an anecdote with a pdf attached