CEN/BT
| Project No. | EN ISO 3946:1994 |
|---|---|
| Title | Destruction of the organic substances by digestion with a sulpho-nitric mixture and conversion of phosphates to orthophosphates. Formation of a phosphomolybdate. Measurement of the intensity of the blue colour at a wavelength of 825 nm. The method applies to contents up to 5 % (m/m). |
| Registration number (WIID) | 17930 |
| Scope | Destruction of the organic substances by digestion with a sulpho-nitric mixture and conversion of phosphates to orthophosphates. Formation of a phosphomolybdate. Measurement of the intensity of the blue colour at a wavelength of 825 nm. The method applies to contents up to 5 % (m/m). |
| Status | Izstrādē |
| ICS group | 67.180.20 |