Registration number (WIID)Project No.TitleStatus
35946EN 15925:2011Fertilizers - Extraction of total sulfur present in various formsIzstrādē
73791-Inorganic fertilizers - Determination of the combustible ingredient content in ammonium nitrate fertilizers of high nitrogen contentIzstrādē
38090EN 16196:2012Fertilizers - Manganimetric determination of extracted calcium following precipitation in the form of oxalateIzstrādē
41490EN 13368-2:2017Fertilizers - 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 chromatographyIzstrādē
40791EN 17041:2018Fertilizers - Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-HIzstrādē
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