CEN/TC 260
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 82093 | prEN 17773 | Organic and organo-mineral fertilizers - Determination of the dry matter content | Aptauja |
| 82079 | prEN 17769 | Organic and organo-mineral fertilizers - Determination of the mercury content | Aptauja |
| 82078 | prEN 17768 | Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elements | Aptauja |
| 82077 | prEN 17766 | Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elements | Aptauja slēgta |
| 82076 | prEN 17765 | Organic and organo-mineral fertilizers - Determination of biuret content by high-performance liquid chromatography (HPLC) | Aptauja |
| 82075 | prEN 17771 | Organic and organo-mineral fertilizers - Determination of the nitrogen content | Izstrādē |
| 82074 | prEN 17770 | Organic and organo-mineral fertilizers - Determination of the total content of specific elements by ICP-AES after digestion by aqua regia | Aptauja |
| 82073 | prEN 17767 | Organo-mineral fertilizers - Extraction of phosphorus by formic acid | Aptauja |
| 81618 | prEN 15961 | Inorganic fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfates | Aptauja slēgta |
| 81617 | prEN 15957 | Inorganic fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate | Aptauja slēgta |
Displaying 21-30 of 598 results.