sample handling on your end absolutely affects it. draw cleanly, ship fast, do not let it sit warm
#test-results 2025-04-10
Thursday21 messages4 participantstimes are UTC
Highlights from this day
- factory_direct_fi — a single sample tells you about a single vial. that is genuinely all it tells you 20:10
- queue_position — a supplier disputing a result is rare here and it has never gone well for the supplier 20:53
- queue_position — unrelated but update from 2 months ago: retested the same supplier, result came back better, logged both 20:56
- never_for_sale — does a bad result on one lot condemn the whole supplier 20:57
if the vial has been through a bad transit you are testing the transit as much as the supplier
my vial assayed under label but the purity was fine, which matters more
post the lot, the purchase month, the lab, the number, and what you were expecting. that makes it useful later
a single sample tells you about a single vial. that is genuinely all it tells you
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what interests me is when the gap goes the same direction every time. once is noise, three times is a pattern
the honest limits: hobby chain of custody is weak and any result here should be read with that in mind
how do you post a result so it is actually useful to somebody in a year
a supplier disputing a result is rare here and it has never gone well for the supplier
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unrelated but update from 2 months ago: retested the same supplier, result came back better, logged both
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does a bad result on one lot condemn the whole supplier
| Evidence | Counts? |
|---|---|
| Independent report, lot you bought, lot number legible | yes |
| Independent report, no lot number | no |
| Supplier certificate only | no |
| Screenshot of a report | no |
| Blinded pooled submission | yes, for the pool |
| A friend who said it was fine | no |
thats within range
weigh it first
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do the results in this channel skew because people test when suspicious
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*VendorInvestigate not the other one
unrelated but whats the worst result anyone has logged and what happened next
the widest spread in my data is about 2.6 percentage points across five lots from one supplier
*Janoshik not the other one
if you are testing to settle an argument you will not settle it with n of 1
quick one i have never regretted spending the money on a test. i have regretted not testing twice
test it again