ISO/TC 34/SC 11
| Project No. | ISO 3657:1988 |
|---|---|
| Title | <p>The second edition cancels and replaces the first edition (ISO 3657:1977), of which it constitutes a technical revision. The method consists in boiling of a sample under reflux with ethanolic potassium hydroxide solution, followed by titration of the excess potassium hydroxide with standard volumetric hydrochloric acid solution.</p> |
| Registration number (WIID) | 9108 |
| Scope | <p>The second edition cancels and replaces the first edition (ISO 3657:1977), of which it constitutes a technical revision. The method consists in boiling of a sample under reflux with ethanolic potassium hydroxide solution, followed by titration of the excess potassium hydroxide with standard volumetric hydrochloric acid solution.</p> |
| Status | Atcelts |
| ICS group | 67.200.10 |