NA 057
DIN Standards Committee Food and Agricultural Products
DIN EN 13651 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 11047 | 1998-05 | Soil quality - Determination of cadmium, chromium, cobalt, copper, lead, manganese, nickel and zinc in aqua regia extracts of soil - Flame and electrothermal atomic absorption spectrometric methods More |
| ISO 5664 | 1984-05 | Water quality; Determination of ammonium; Distillation and titration method More |
| ISO 7150-1 | 1984-06 | Water quality; Determination of ammonium; Part 1 : Manual spectrometric method More |
| ISO 7890-3 | 1988-12 | Water quality; determination of nitrate; part 3: spectrometric method using sulfosalicylic acid More |
| ISO 9964-3 | 1993-05 | Water quality; determination of sodium and potassium; part 3: determination of sodium and potassium by flame emission spectrometry More |
