two certificates from the same supplier have an identical

thats a real table

gross mass on a jewellery scale plus the water content is enough to catch most underfills

looks re-dated

coming back after 10 months, has the pinned reading guide changed

no lot no certificate

good certificate actually

does anyone actually check the residual solvents section

mixed fonts and inconsistent kerning in one document is worth a second look

a certificate should name the method, the instrument, the column and the operator. most name none of those

thats a real table

weigh the vial

if you only read one line on a certificate, read the lot number. if you read two, read the assay

ask for water content

whats the minimum a certificate has to have before you take it seriously

thats the counterion