Registration number (WIID)Project No.TitleStatus
68094prEN ISO 25475Fertilizers - Determination of ammoniacal nitrogen (ISO 25475:2016)Izstrādē
68254prEN 12944-2 revFertilizers, liming materials and inhibitors - Vocabulary - Part 2: Terms relating to fertilizersIzstrādē
73795-Inorganic fertilizers - Determination of the organic carbon contentIzstrādē
79319EN 18103:2025Inorganic fertilizers - Determination of nutrient polymers nitrogen in the presence of other nitrogenous formsIzstrādē
71688CEN/TS 17776:2022Organic and organo-mineral fertilizers - Determination of the total organic carbon (TOC) content by dry combustionIzstrādē
32295EN 16109:2011Fertilizers - Determination of complexed micro-nutrient ions in fertilizers - Identification of lignosulfonatesIzstrādē
30751EN 15558:2009Fertilizers - Determination of nitric and ammoniacal nitrogen according to UlschIzstrādē
13034EN 13475:2001Liming materials - Determination of calcium content - Oxalate methodIzstrādē
27098EN 15688:2008Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC)Izstrādē
82343prEN 15475 revInorganic fertilizers – Titrimetric determination of ammoniacal nitrogenIzstrādē
Displaying 411-420 of 589 results.