Registration number (WIID)Project No.TitleStatus
29074EN 15451:2008Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatographyIzstrādē
40797EN 17042:2018Fertilizers - Determination of boron in concentrations > 10 % using acidimetric titrationIzstrādē
73793-Fertilizing products — Demonstration of the efficacy of nitrification inhibiting compoundsIzstrādē
81615prEN 18292Inorganic fertilizers - Determination of the dry matter contentIzstrādē
21611EN 14397-2:2004Fertilizers and liming materials - Determination of carbon dioxide - Part 2: Method for liming materialsIzstrādē
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
71680CEN/TS 17768:2022Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elementsIzstrādē
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
Displaying 581-590 of 601 results.