Registration number (WIID)Project No.TitleStatus
30743LVS EN 15475:2009Fertilizers - Determination of ammoniacal nitrogenStandarts spēkā
59361LVS EN 17090:2019Fertilizers - Determination of nitrification inhibitor DMPSA in fertilizers - Method using high-performance liquid chromatography (HPLC)Standarts spēkā
72448LVS CEN/TS 17780:2022Organic, organo-mineral and inorganic fertilizers - Detection of Salmonella spp.Standarts spēkā
73845LVS CEN/TS 17782:2022Fertilizing products - Determination of the stability of fertilizing products containing micronutrient chelates at different pHsStandarts spēkā
35953LVS EN 15958:2012Fertilizers - Extraction of water soluble phosphorusStandarts spēkā
29737LVS EN 15909:2010Fertilizers - Determination of calcium and formate in calcium foliar fertilizersStandarts spēkā
30751LVS EN 15558:2009Fertilizers - Determination of nitric and ammoniacal nitrogen according to UlschStandarts spēkā
69245LVS EN 15749:2022Fertilizers - Determination of sulfates content using three different methodsStandarts spēkā
35687LVS EN 15923:2011Fertilizers - Extraction of phosphorus soluble in Joulie's alcaline ammonium citrateStandarts spēkā
73850CEN/TS 17786-1:2022Inorganic micronutrient fertilizers - Determination of the chelated micronutrient content and the chelated fraction of micronutrients - Part 1: Treatment with a cation exchange resinStandarts spēkā
Displaying 421-430 of 588 results.