Registration number (WIID)Project No.TitleStatus
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
29074LVS EN 15451:2008Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatographyStandarts spēkā
71681LVS CEN/TS 17769:2022Organic and organo-mineral fertilizers - Determination of the mercury contentStandarts spēkā
67906LVS EN 17411:2021Fertilizers - Determination of perchlorate in mineral fertilizers by liquid chromatography and tandem mass spectrometry detection (LC-MS/MS)Standarts spēkā
71690LVS CEN/TS 17778:2022Organic and organo-mineral fertilizers - Determination of the chromium (VI) content by chromotographyStandarts spēkā
13028LVS EN 13366:2002 AFertilizers - Treatment with a cation exchange resin for the determination of the chelated micro-nutrient content and of the chelated fraction of micro-nutrientsStandarts spēkā
41490LVS EN 13368-2:2018Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 2: Determination of Fe chelated by [o,o] EDDHA, [o,o] EDDHMA and HBED, or the amount of chelating agents, by ion pair chromatographyStandarts spēkā
61474LVS EN 16319+A1:2016Fertilizers and liming materials - Determination of cadmium, chromium, lead and nickel by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolutionStandarts spēkā
73784LVS EN 15561:2023Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitratesStandarts spēkā
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