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c/coa·submitted 7 months ago by u/yusuf_nakamura

the COA thing finally clicked for me and I want to write it down

Questionbranch of 6 comments

water content. That is the whole post, but I will justify it. Everything else people worry about in c/sideeffects is downstream of it. Titration speed, early fullness, the endless dose arguments — most of it resolves if you sort water content out first, and almost nobody does. I say this having got it wrong for 14…

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6 comments, started 7 months ago
u/santiago_szabo71 points·7 months ago

What is the method line say? Not the technique, the actual method.

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u/nabila_espinoza33 points·7 months ago

post the whole document, not the headline number

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u/alcohol_aversion-9 points·7 months ago

This is the correct framing. The COA structure matters as much as the number.

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u/yusuf_nakamuraOP102 points·7 months ago

What is the method line say?

Yes, exactly this, and it is the bit that took me 18 weeks to accept.

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u/ismael_eriksen47 points·7 months ago

Cosigning. The batch number is load-bearing information.

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u/yara_antonsen17 points·7 months ago

axis labels included, always

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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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