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
73790-Inorganic fertilizers – Determination of the total K2O contentIzstrādē
73791-Inorganic fertilizers - Determination of the combustible ingredient content in ammonium nitrate fertilizers of high nitrogen contentIzstrādē
73792-Organo-mineral fertilizers – Determination of the urease inhibitor contentIzstrādē
73793-Fertilizing products – Demonstration of the efficacy of nitrification inhibitorsIzstrādē
73794-Fertilizing products – Demonstration of the efficacy of urease inhibitorsIzstrādē
73795-Inorganic fertilizers - Determination of the organic carbon contentIzstrādē
73796prEN 17403Fertilizers - 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
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