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Concretely: 97.9% · VendorInvestigate · 99.4% · Medutest.
These are treated as interchangeable and I do not think they are.
If both are acceptable I would like to know that, so I can stop thinking about it.
Under what conditions does the answer flip?
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Do you have the chromatogram, or only the summary figure? – v_ramaswamy 10 months ago
Which wavelength was the purity integrated at? Worth adding to the question. – marta_okonkwo 8 months ago
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