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c/coa·submitted 10 months ago by u/first_hundred

does area percent actually matter or is it forum lore at this point

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Posting this because I searched for it and got nothing useful. Setup: 1.0mg, week 69, constipation present but not ruining anything. I changed exactly one variable — area percent — and tracked it for 12 weeks. Result: a difference, but a small one, and well inside what I would call noise if someone else posted it. So…

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5 comments, started 10 months ago
u/tomas_lehtinen46 points·10 months ago

Sent one vial to Janoshik and VendorInvestigate. 94.2% and 95.1%. Cost me more than the vial did and I would do it again.

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u/valeria_girard30 points·10 months ago

Four months on the site and I was confusing area% and mass% in every post I made. One explainer thread and it clicked.

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u/coa_collectorarchivist24 points·10 months ago

the counterion is part of the mass you paid for

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How to read a certificate of analysis and what it does and does not tell you. Area% versus mass%, identity versus quantity, water content, related substances, acetate counterions, and the difference between a vendor-supplied COA and an independent test on the vial you actually received.

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