Registration number (WIID)Project No.TitleStatus
30745EN 15477:2009Fertilizers - Determination of the water-soluble potassium contentIzstrādē
74955CEN/TR 14061:2021/AC:2022Fertilizers - Determination of dust contentIzstrādē
40790EN 16962:2018Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic compounds from fertilizer extractsIzstrādē
30767EN 15604:2009Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogenIzstrādē
71691CEN/TS 17779:2022Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrate (NAC) for subsequent determination of P by ICP-AESIzstrādē
26044EN 15704:2008Liming materials - Determination of the breakdown of granulated calcium and calcium/magnesium carbonates under the influence of waterIzstrādē
13012EN 12049:1996Solid fertilizers and liming materials - Determination of moisture content - Gravimetric method by drying under reduced pressure (ISO 8189:1992 modified)Izstrādē
73848CEN/TS 17784-1:2022Organo-mineral fertilizers - Identification of complexing agents - Part 1: Method using UV-Vis spectrophotometry and gravimetryIzstrādē
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
73793-Fertilizing products — Demonstration of the efficacy of nitrification inhibiting compoundsIzstrādē
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