Registration number (WIID)Project No.TitleStatus
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
71679CEN/TS 17767:2022Organo-mineral fertilizers - Extraction of phosphorus by formic acid for subsequent determination of P by ICP-AESIzstrādē
71680CEN/TS 17768:2022Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elementsIzstrādē
71681CEN/TS 17769:2022Organic and organo-mineral fertilizers - Determination of the mercury contentIzstrādē
71678CEN/TS 17766:2022Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elementsIzstrādē
71686CEN/TS 17774:2022Organic and organo-mineral fertilizers - Determination of the content of specific elements by ICP-AES after extraction by waterIzstrādē
71689CEN/TS 17777:2022Organic and organo-mineral fertilizers – Determination of specific elementsIzstrādē
73852CEN/TS 17787:2022Fertilizing products - Stability of chelating and complexing agentsIzstrādē
59361EN 17090:2018Fertilizers - Determination of nitrification inhibitor DMPSA in fertilizers - Method using high-performance liquid chromatography (HPLC)Izstrādē
40795EN 13368-3:2017Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 3: Determination of Fe chelated by [S,S]-EDDS, or the amount of the chelating agent, by ion pair chromatographyIzstrādē
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