Registration number (WIID)Project No.TitleStatus
71686CEN/TS 17774:2022Organic and organo-mineral fertilizers - Determination of the content of specific elements by ICP-AES after extraction by waterIzstrādē
71685CEN/TS 17773:2022Organic and organo-mineral fertilizers - Determination of the dry matter contentIzstrādē
71687CEN/TS 17775:2022Organic and organo-mineral fertilizers - Determination of the inorganic arsenic contentIzstrādē
71683CEN/TS 17771:2022Organic and organo-mineral fertilizers - Determination of the nitrogen contentIzstrādē
13039EN 12944-1:1999Fertilizers and liming materials and soil improvers - Vocabulary - Part 1: General termsIzstrādē
71677CEN/TS 17765:2022Organic and organo-mineral fertilizers - Determination of the biuret content by high-performance liquid chromatography (HPLC)Izstrādē
27098EN 15688:2008Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC)Izstrādē
79936-Inhibitors — Determination of the chloride content by ion chromatography and conductivity detection (IC-CD)Izstrādē
35946EN 15925:2011Fertilizers - Extraction of total sulfur present in various formsIzstrādē
71582CEN/TR 14539:2021Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention)Izstrādē
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