Registration number (WIID)Project No.TitleStatus
27098EN 15688:2008Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC)Izstrādē
72662-Organo-mineral fertilizers – Determination of specific inhibitorsIzstrādē
72661-Inorganic fertilisers – Detection of specific pathogensIzstrādē
29074EN 15451:2008Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatographyIzstrādē
73856CEN/TS 17790:2022Organo-mineral fertilizers - Determination of the chelated micronutrient content and the chelated fraction of micronutrients by treatment with a cation exchange resinIzstrādē
71681CEN/TS 17769:2022Organic and organo-mineral fertilizers - Determination of the mercury contentIzstrādē
71679CEN/TS 17767:2022Organo-mineral fertilizers - Extraction of phosphorus by formic acid for subsequent determination of P by ICP-AESIzstrādē
71678CEN/TS 17766:2022Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elementsIzstrādē
40792EN 16847:2016Fertilizers - Determination of complexing agents in fertilizers - Identification of heptagluconic acid by chromatographyIzstrādē
69261-Organo-mineral fertilizers - Determination of EnterococcaceaeIzstrādē
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