Registration number (WIID)Project No.TitleStatus
73854LVS CEN/TS 17789-1:2022Organo-mineral fertilizers - Identification of chelating agents - Part 1: Determination of EDTA, HEEDTA and DTPA by ion chromatographyStandarts spēkā
73849LVS CEN/TS 17785:2022Organo-mineral fertilizers - Determination of chelating and complexing agentsStandarts spēkā
73856LVS CEN/TS 17790:2022Organo-mineral fertilizers - Determination of the chelated micronutrient content and the chelated fraction of micronutrients by treatment with a cation exchange resinStandarts spēkā
71683LVS CEN/TS 17771:2022Organic and organo-mineral fertilizers - Determination of the nitrogen contentStandarts spēkā
75452EN 17864:2023Inorganic fertilizers - Determination of nitrogen content in IBDU (isobutylidenediurea) and CDU (crotonylidenediurea)Standarts spēkā
71265LVS EN 17816:2023Liming materials - Determination of physical and chemical properties and specific contaminantsStandarts spēkā
74336LVS EN 12946:2023Liming materials - Determination of the calcium content and magnesium content - Complexometric methodStandarts spēkā
73785LVS EN 15562:2023Inorganic fertilizers - Determination of cyanamide nitrogenStandarts spēkā
73777LVS CEN/TS 17759:2022Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen contentStandarts spēkā
71679LVS CEN/TS 17767:2022Organo-mineral fertilizers - Extraction of phosphorus by formic acidStandarts spēkā
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