ISO/TC 34/SC 3
| Project No. | ISO 5517:1978 |
|---|---|
| Title | <p>The method consists in decomposing the organic matter, followed by reduction of trivalent iron by hydroxyammonium chloride, forming, in a buffered medium, of the stable iron(II)/1,10 phenanthroline complex, and photometric measuring of the red-coloured complex at a wavelength of 508 nm.</p> |
| Registration number (WIID) | 11571 |
| Scope | <p>The method consists in decomposing the organic matter, followed by reduction of trivalent iron by hydroxyammonium chloride, forming, in a buffered medium, of the stable iron(II)/1,10 phenanthroline complex, and photometric measuring of the red-coloured complex at a wavelength of 508 nm.</p> |
| Status | Standarts spēkā |
| ICS group | 67.080.01 |