Registration number (WIID)Project No.TitleStatus
30748EN 15478:2009Fertilizers - Determination of total nitrogen in ureaIzstrādē
13022EN 13266:2001Slow-release fertilizers - Determination of the release of the nutrients - Method for coated fertilizersIzstrādē
35685EN 15920:2011Fertilizers - Extraction of phosphorus soluble in 2 % citric acidIzstrādē
29079EN 16024:2011Fertilizers - Determination of 1H,2,4-triazole in urea and in fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)Izstrādē
71690CEN/TS 17778:2022Organic and organo-mineral fertilizers - Determination of the chromium (VI) content by chromotographyIzstrādē
13026EN 13299:2000Fertilizers - Determination of flow rateIzstrādē
13017EN 12947:2000Liming materials - Determination of magnesium content - Atomic absorption spectrometric methodIzstrādē
61146EN 15961:2017Fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfatesIzstrādē
27098EN 15688:2008Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC)Izstrādē
35575EN 16328:2012Fertilizers - Determination of 3,4-dimethyl-1H-pyrazole phosphate (DMPP) - Method using high-performance liquid chromatography (HPLC)Izstrādē
Displaying 511-520 of 601 results.