three years of COA threads, summarised so you do not have to read them
three years of COA threads, summarised so you do not have to read them. It is the sort of thing everyone half-believes and nobody writes down. Asked GL Biochem for the batch-specific certificate and had the full document — batch, date, method line naming the column — inside six hours. That is now my baseline for…
Related substances itemised individually is a much stronger document than a single total, because it tells you the shape of the impurity profile rather than its size.
Asked for the storage condition behind the stability statement. Got it in a sentence. It is a two-line email and almost nobody sends it.
Batch number and date of analysis, are both on there?
That is not what the method line says. It names the technique; it does not certify the operator.
net peptide content and purity are two different numbers on the same vial
ask for the storage condition the stability statement was written against