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Single comment threadYou are looking at one branch of genuine question about certificate of analysis that I am slightly embarrassed to ask — 53 comments in the full submission. View in context.
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c/coa·submitted 2 years ago by u/ismael_eriksen

genuine question about certificate of analysis that I am slightly embarrassed to ask

COAbranch of 6 comments

Something I noticed reading old threads that I have not seen said out loud. The advice on related substances in this community changed substantially around the start of last year, and nobody went back and updated the older posts. So depending on which thread the search engine hands you, you get two contradictory…

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6 comments, started 2 years ago
u/coa_janitormod · c/coa91 points·2 years ago

Titration speed is a side-effect dial far more than an efficacy dial.

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u/nadia_fonseca45 points·2 years ago

no "is this good?" without saying what the compound and claimed purity are

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u/low_appetite_lisa29 points·2 years ago

redact your own name, not the vendor's batch details

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u/valeria_karlsen25 points·2 years ago

the batch number or it did not happen

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u/coa_janitormod · c/coa19 points·2 years ago·edited

That is net peptide content, not purity. Different number, different meaning.

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u/karma_irrelevant8 points·2 years ago

axis labels included, always

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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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c/coa rules
  1. Post the full document. Cropped COAs that hide the batch number or date get removed.
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