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What does a 98.8% purity with a lot-specific certificate attached let me conclude?

Asked 18 Apr 2026Modified 3 months agoViewed 5.6k times
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Details up front: 98.8% · lot-specific certificate.

This is presented as though it settles something, and I am not convinced it does.

I have two documents that appear to disagree, which is what prompted this.

What is the correct interpretation, and what is the common misreading?

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askedDr_Malik_Osei19k2718 Apr 2026
Voting to keep this open — it is more specific than it first looks. – Dr_Rosalind_Achebe 8 months ago
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This question has not been answered. It has been viewed 5.6k times, which suggests the question is of interest and the answer is not obvious. If you can answer it with a source or a worked calculation, it will be read. See how to ask and answer.
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Ask PeptideStack is a static archive. Posting is closed, but the norms are worth stating: answer the question that was asked, show your working, cite the trial or the certificate, and say plainly where the evidence runs out.

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