Registration number (WIID)Project No.TitleStatus
73847CEN/TS 17784-2:2022Organo-mineral fertilizers - Identification of complexing agents - Part 2: Method using high-performance liquid chromatography (HPLC)Standarts spēkā
30752LVS EN 15559:2009Fertilizers - Determination of nitric and ammoniacal nitrogen according to ArndStandarts spēkā
29075LVS EN 15452:2008Fertilizers - Determination of chelating agents - Determination of iron chelated by o, p-EDDHA by reversed phase HPLCStandarts spēkā
71267EN 17817:2023Fertilizers, liming materials and inhibitors - Determination of the quantity (declared by mass or volume)Standarts spēkā
32472LVS EN 15750:2010Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methodsStandarts spēkā
36494LVS EN 16032:2012Fertilizers - Extraction and determination of elemental sulfurStandarts spēkā
38090LVS EN 16196:2013Fertilizers - Manganimetric determination of extracted calcium following precipitation in the form of oxalateStandarts spēkā
74036LVS EN 1482-3:2024Fertilizers, liming materials and inhibitors - Sampling and sample preparation - Part 3: Sampling of static heapsStandarts spēkā
75452LVS EN 17864:2023Inorganic fertilizers - Determination of nitrogen content in IBDU (isobutylidenediurea) and CDU (crotonylidenediurea)Standarts spēkā
30749LVS EN 15479:2009Fertilizers - Spectrophotometric determination of biuret in ureaStandarts spēkā
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