Registration number (WIID)Project No.TitleStatus
73789EN 15959:2023Inorganic fertilizers - Determination of extracted phosphorus P2O5Standarts spēkā
73789LVS EN 15959:2023Inorganic fertilizers - Determination of extracted phosphorus P2O5Standarts spēkā
73790prEN 18316Inorganic fertilizers - Determination of the total K2O contentIzstrādē
73791-Inorganic fertilizers - Determination of the combustible ingredient content in ammonium nitrate fertilizers of high nitrogen contentIzstrādē
73792prEN 18317Organo-mineral fertilizers - Determination of the N-(n-butyl)thiophosphoric triamide (NBPT) urease inhibitor contentIzstrādē
73793-Fertilizing products — Demonstration of the efficacy of nitrification inhibiting compoundsIzstrādē
73794-Fertilizing products — Demonstration of the efficacy of urease inhibiting compoundsIzstrādē
73795prEN 18322Inorganic fertilizers - Determination of the organic carbon content by dry combustionIzstrādē
73796prEN 17403Inorganic fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °CIzstrādē
73797-Determination of the final degradation products of nutrient polymersIzstrādē
Displaying 491-500 of 595 results.