Underfilling: difference between revisions
Diff·revision 21 → 22·03:28, 18 Oct 2025
Difference between revision 21 and revision 22 of Underfilling. 2 lines changed; the page grew by 208 bytes.
| Revision 21 — 20:25, 18 Sep 2025 SatietySunniva (talk) add category for certificates of analysis 4,674 bytes ±0 | Revision 22 — 03:28, 18 Oct 2025 PrepHPLC_Pia (talk) state that the report identifies the sample, not the shipment 4,882 bytes +208 | ||
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| 40 | This cuts against a naive reading of gravimetric results in both directions. A vial weighing more than nominal is not evidence of generosity or of contamination, and a vial weighing slightly less is within ordinary process variation. What is informative is a systematic shortfall across units, or a spread far wider than a fill process should produce. | 40 | This cuts against a naive reading of gravimetric results in both directions. A vial weighing more than nominal is not evidence of generosity or of contamination, and a vial weighing slightly less is within ordinary process variation. What is informative is a systematic shortfall across units, or a spread far wider than a fill process should produce. |
| 41 | 41 | ||
| + | 42 | Reports submitted to this wiki that record fill mass generally record it across several units for this reason. A single vial is uninformative about a fill process; ten are considerably more so.{{r|reports}} | |
| + | 43 | ||
| 42 | == References == | 44 | == References == |
| 43 | {{reflist}} | 45 | {{reflist}} |