Residual solvent: difference between revisions
Diff·revision 20 → 21·18:18, 8 Oct 2025
Difference between revision 20 and revision 21 of Residual solvent. 2 lines changed; the page grew by 266 bytes.
| Revision 20 — 12:39, 11 Sep 2025 AAA_Analyst (talk) expand §Determination and its blind spots 4,819 bytes ±0 | Revision 21 — 18:18, 8 Oct 2025 GradientGus (talk) fix hyphenation per PP:MOS 5,085 bytes +266 | ||
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| 36 | Certificates in research-chemical supply report residual solvents less often than they report purity or water. Its absence is a gap in the document rather than evidence about the material, and the correct inference is that the attribute is uncharacterised. | 36 | Certificates in research-chemical supply report residual solvents less often than they report purity or water. Its absence is a gap in the document rather than evidence about the material, and the correct inference is that the attribute is uncharacterised. |
| 37 | 37 | ||
| + | 38 | The most common reported finding is a small acetonitrile figure, consistent with [[Preparative HPLC purification|preparative chromatography]] followed by [[Lyophilisation|lyophilisation]]. That is an unremarkable observation rather than an adverse one.{{r|usp467}} | |
| + | 39 | ||
| 38 | == References == | 40 | == References == |
| 39 | {{reflist}} | 41 | {{reflist}} |