Registration number (WIID)Project No.TitleStatus
72667CEN/TS 17754:2022Inorganic fertilizers - Determination of specific micronutrientsStandarts spēkā
72668CEN/TS 17755:2022Inorganic fertilizers - Determination of specific parametersStandarts spēkā
73780CEN/TS 17762:2022Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen contentStandarts spēkā
40795LVS EN 13368-3:2018Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 3: Determination of [S,S]-EDDS by ion pair chromatographyStandarts spēkā
71265EN 17816:2023Liming materials - Determination of physical and chemical properties and specific contaminantsStandarts 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
29074LVS EN 15451:2008Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatographyStandarts spēkā
39123LVS EN 16651:2015Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)Standarts spēkā
72664CEN/TS 17752:2022Inorganic fertilizers - Determination of specific inhibitorsStandarts spēkā
35686LVS EN 15921:2011Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °CStandarts spēkā
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