Registration number (WIID)Project No.TitleStatus
35953LVS EN 15958:2012Fertilizers - Extraction of water soluble phosphorusStandarts spēkā
30743LVS EN 15475:2009Fertilizers - Determination of ammoniacal nitrogenStandarts spēkā
29738LVS EN 15928:2010Fertilizers - Determination of the fineness of grinding (dry procedure)Standarts spēkā
30748LVS EN 15478:2009Fertilizers - Determination of total nitrogen in ureaStandarts 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
73848LVS CEN/TS 17784-1:2022Organo-mineral fertilizers - Identification of complexing agents - Part 1: Method using UV-Vis spectrophotometry and gravimetryStandarts spēkā
29077LVS EN 15950:2011Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC)Standarts spēkā
72446LVS CEN/TS 17803:2022Organic and organo-mineral fertilizers - Detection of specific pathogensStandarts spēkā
35688LVS EN 15922:2011Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperatureStandarts spēkā
73849LVS CEN/TS 17785:2022Organo-mineral fertilizers - Determination of chelating and complexing agentsStandarts spēkā
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