#test-results 2025-05-31

the widest spread in my data is about 2.6 percentage points across five lots from one supplier

do the results in this channel skew because people test when suspicious

how do you separate batch variance from supplier variance

quantity testing is usually a separate line item and it is the one worth paying for

attach the pdf

the honest limits: hobby chain of custody is weak and any result here should be read with that in mind

has a supplier ever disputed a result posted here

when did you buy it

update from 25 months ago: retested the same supplier, result came back better, logged both

one bad test does not condemn a supplier. one good test does not clear one. both halves get ignored equally

if you are testing to settle an argument you will not settle it with n of 1

what interests me is when the gap goes the same direction every time. once is noise, three times is a pattern

i had a result i am fairly sure was a handling error on my side and i logged it as such

Assay note: CPC lot B-0114 reported at 97.4% of label content.