ISO/TC 47
| Projekta Nr. | ISO 2516:1973 |
|---|---|
| Nosaukums | <p>The principle of the analysis consists in acidification of a test solution by addition of an excess of standard volumetric sulphuric acid solution and back-titration with standard volumetric sodium hydroxide solution in the presence of methyl red- methylene blue mixed indicator.</p> |
| Reģistrācijas numurs (WIID) | 7450 |
| Darbības sfēra | <p>The principle of the analysis consists in acidification of a test solution by addition of an excess of standard volumetric sulphuric acid solution and back-titration with standard volumetric sodium hydroxide solution in the presence of methyl red- methylene blue mixed indicator.</p> |
| Statuss | Atcelts |
| ICS grupa | 67.220.20 71.060.50 |