Purity claim inflation: difference between revisions
Diff·revision 21 → 22·06:20, 23 Jul 2025
Difference between revision 21 and revision 22 of Purity claim inflation. 2 lines changed; the page grew by 267 bytes.
| Revision 21 — 22:17, 5 Jul 2025 ShortDescShai (talk) clarify that a QR code on a certificate proves issuance, not content 5,175 bytes +19 | Revision 22 — 06:20, 23 Jul 2025 CategoryBot (talk) bot: update parent category chain 5,442 bytes +267 | ||
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| 40 | Which method produced the figure, at what wavelength, on what column, over what gradient duration? Is the main peak identified, and by what? Is [[Peptide content|content]] reported separately from purity? Are related substances itemised or aggregated? Is water reported, and by [[Karl Fischer titration|Karl Fischer]] or by [[Loss on drying|loss on drying]] — which measure different things?{{r|usp1503}} | 40 | Which method produced the figure, at what wavelength, on what column, over what gradient duration? Is the main peak identified, and by what? Is [[Peptide content|content]] reported separately from purity? Are related substances itemised or aggregated? Is water reported, and by [[Karl Fischer titration|Karl Fischer]] or by [[Loss on drying|loss on drying]] — which measure different things?{{r|usp1503}} |
| 41 | 41 | ||
| + | 42 | A document that answers these is checkable, whatever the numbers on it. A document that does not is not checkable, whatever the numbers on it. That criterion is more robust than any threshold on purity, and it does not require the reader to trust the figure at all. | |
| + | 43 | ||
| 42 | == References == | 44 | == References == |
| 43 | {{reflist}} | 45 | {{reflist}} |