NA 057
DIN Standards Committee Food and Agricultural Products
DIN CEN/TS 16490 ; DIN SPEC 10127:2013-06 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| EN 15475 | 2009-01 | Fertilizers - Determination of ammoniacal nitrogen More |
| EN 15476 | 2009-01 | Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda More |
| EN 15477 | 2009-01 | Fertilizers - Determination of the water-soluble potassium content More |
| EN 15478 | 2009-01 | Fertilizers - Determination of total nitrogen in urea More |
| EN 15479 | 2009-01 | Fertilizers - Spectrophotometric determination of biuret in urea More |
| EN 15750 | 2009-10 | Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods More |
| EN 15925 | 2011-09 | Fertilizers - Extraction of total sulfur present in various forms More |
| EN 15926 | 2011-09 | Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms More |
| EN 15956 | 2011-09 | Fertilizers - Extraction of phosphorus soluble in mineral acids More |
| EN 15957 | 2011-09 | Fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate More |
