I made a spreadsheet comparing vendor COAs — anyone have experience?

JennaRN said:

Purity and content being different measurements was the piece I was missing.

Pushing back on JennaRN here. I would resist the confidence. Half of what this board was certain about two years ago has since been quietly dropped, and nobody went back to correct the threads.

Ask again with the specifics and you will get a better answer than this one.

JennaRN said:

Purity and content being different measurements was the piece I was missing.

That is right for the common case. Whether it is right for the case being asked about depends on a detail that has not been given.

JennaRN said:

Purity and content being different measurements was the piece I was missing.

Thank you — that is the clearest version of this I have read, and I have read a lot of them. I will report back once I have actually tried it.

From the other side of the consultation, briefly. It is worth asking what the claim would look like if it were false. If nothing would look different, it is not a claim about the world and no amount of discussion will settle it.

hyun_seoul said:

It is worth asking what the claim would look like if it were false.

This matches mine closely enough to be worth saying so out loud. Nothing to add that would improve it.