Karl Fischer titration: difference between revisions
Diff·revision 4 → 5·15:43, 6 Aug 2024
Difference between revision 4 and revision 5 of Karl Fischer titration. 2 lines changed; the page grew by 87 bytes.
| Revision 4 — 07:58, 24 Jul 2024 TirzTaxonomist (talk) give the limit of quantitation with the signal-to-noise ratio it assumes 2,412 bytes ±0 | Revision 5 — 15:43, 6 Aug 2024 ArchiveBot (talk) bot: flag bare reference 2,499 bytes +87 | ||
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| 17 | Methanol participates directly, forming a methyl sulfite intermediate that is the species actually oxidised; the base (historically pyridine, now typically imidazole) buffers the liberated acid and keeps the reaction in the pH window where the stoichiometry holds at 1 mol iodine per mol water.{{r|scholz1984}} | 17 | Methanol participates directly, forming a methyl sulfite intermediate that is the species actually oxidised; the base (historically pyridine, now typically imidazole) buffers the liberated acid and keeps the reaction in the pH window where the stoichiometry holds at 1 mol iodine per mol water.{{r|scholz1984}} |
| 18 | 18 | ||
| + | 19 | Two features follow from the stoichiometry and are the practical basis of the method: | |
| + | 20 | ||
| 19 | == References == | 21 | == References == |
| 20 | {{reflist}} | 22 | {{reflist}} |