anyone else notice certificate of analysis kicking in around week 75
Trying to settle this properly because the thread from last year went in circles. The claim: purity matters. The counter-claim: it is measurement error. Both sides have been asserting it confidently for about 23 months without either producing anything. What would actually settle it is 11 people measuring the same…
You have restated the marketing copy. What is the actual substance here.
Cosigning. The batch number is load-bearing information.
Cosigning.
Disagree on that part. 97.4% and 98.3% on the same vial is normal.
This is the correct framing. The COA structure matters as much as the number.
redact your own name, not the vendor's batch details
no "is this good?" without saying what the compound and claimed purity are
area% is not mass%, and here is exactly why it matters
area% is not mass%, and here is exactly why it matters
Yes, exactly this, and it is the bit that took me 14 weeks to accept.
Water content on the document? That affects your concentration math.