Registration number (WIID)Project No.TitleStatus
40791LVS EN 17041:2018Fertilizers - Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-HStandarts spēkā
38089LVS EN 16197:2013Fertilizers - Determination of magnesium by atomic absorption spectrometryStandarts spēkā
71679LVS CEN/TS 17767:2022Organo-mineral fertilizers - Extraction of phosphorus by formic acidStandarts spēkā
21313LVS EN 14888:2005Fertilizers and liming materials - Determination of cadmium contentStandarts spēkā
27098LVS EN 15688:2008Fertilizers - Determination of urease inhibitor N-(n- butyl)thiophosphoric triamide (NBPT) using high- performance liquid chromatography (HPLC)Standarts spēkā
73777LVS CEN/TS 17759:2022Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen contentStandarts spēkā
35688LVS EN 15922:2011Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperatureStandarts spēkā
13022LVS EN 13266:2002 ASlow-release fertilizers - Determination of the release of the nutrients - Method for coated fertilizersStandarts spēkā
71582LVS CEN/TR 14539:2021Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention)Standarts spēkā
73851LVS CEN/TS 17786-2:2022Inorganic micronutrient fertilizers - Determination of the chelated micronutrient content and the chelated fraction of micronutrients - Part 2: Determination of EDTA, DTPA, HEEDTA, IDHA or EDDSStandarts spēkā
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