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How do I reconcile 98.8% from PeptideMeter with 98.4% from the supplier?

Asked 5 Dec 2025Modified 8 months agoViewed 9.5k times
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The specifics, since they change the answer: 98.8% · PeptideMeter · 98.4%.

An unexpected observation, and I would like a differential rather than reassurance.

The conditions were within what I understood to be the acceptable range, which is why I am asking.

What would you check first, and what would you conclude from each outcome?

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askedDr_Nadia_Farsi104k2475 Dec 2025
3Same question came up on a different supplier and the answer was entirely about the method. – Dr_Ilse_Vandenberg 6 months ago
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