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c/coa·submitted 2 years ago by u/halima_boateng

[Discussion] we are measuring COA at the wrong time and calling it noise

Discussionbranch of 9 comments

area percent. That is the whole post, but I will justify it. Everything else people worry about in c/sideeffects is downstream of it. Titration speed, reflux, the endless dose arguments — most of it resolves if you sort area percent out first, and almost nobody does. I say this having got it wrong for 18 months. My…

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9 comments, started 2 years ago
u/yannick_haddad308 points·2 years ago

the related substances line is where the story is

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u/nadia_kjaer104 points·2 years ago·edited

Respectfully this is a sample of one presented as a finding.

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[removed]72 points·2 years ago

[removed by moderator]

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u/teodor_jansen61 points·2 years ago

the batch number or it did not happen

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About c/coa

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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