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c/coa·submitted 1 year ago by u/tidy_vialdrawer_pls

purity: what the trials say vs what this community says

Labbranch of 7 comments

Been lurking in c/tirzepatide for about 9 months and finally have something worth posting. Short version: week 15, 2.5mg, and area percent is the bit I still cannot get a straight answer on. I have read the wiki, I have read the last 37 threads, and the answers split roughly down the middle. What I actually want to…

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7 comments, started 1 year ago
u/certified_referenceMOD128 points·1 year ago

This is an urgent-care question wearing a forum question's clothes. Please contact a clinician rather than waiting for replies.

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u/tidy_vialdrawer_plsOP76 points·1 year ago

This is an urgent-care question wearing a forum question's clothes.

Disagree on that part. 95.1% and 99.3% on the same vial is normal.

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[removed]57 points·1 year ago

[removed by moderator]

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u/step_therapy_s89 points·1 year ago

Disagree but this is the good kind of wrong — it is specific enough to be checked.

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u/yara_antonsen73 points·1 year ago

the method line is doing real work, not just window dressing

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u/reflux_report26 points·1 year ago

area% is not mass%, and here is exactly why it matters

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u/cesar_ivaturi20 points·1 year ago

Not to be pedantic but certificate of analysis and COA are being used interchangeably and they are not interchangeable in real life.

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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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