Registration number (WIID)Project No.TitleStatus
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
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
71683LVS CEN/TS 17771:2022Organic and organo-mineral fertilizers - Determination of the 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
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
72663LVS CEN/TS 17751:2022Inorganic fertilizers - Determination of specific parameters in ammonium nitrate fertilizers of high nitrogen contentStandarts spēkā
13037LVS EN ISO 10248:2002 AFluid fertilizers - De-aeration of suspension samples by film disentrainmentStandarts spēkā
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