Registration number (WIID)Project No.TitleStatus
68604CEN/TS 17403:2021Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °CIzstrādē
68254prEN 12944-2 revFertilizers, liming materials and inhibitors - Vocabulary - Part 2: Terms relating to fertilizersIzstrādē
68251prEN 12944-1 revFertilizers and liming materials and soil improvers - Vocabulary - Part 1: General termsIzstrādē
68186LVS EN 13971:2020Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acidStandarts spēkā
68186EN 13971:2020Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acidStandarts spēkā
68097prEN ISO 25705Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylene-urea oligomers (method B) (ISO 25705:2016)Izstrādē
68096prEN ISO 15604Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen (ISO 15604:2016)Izstrādē
68095prEN ISO 15959Fertilizers - Determination of extracted phosphorus (ISO 15959:2016)Izstrādē
68094prEN ISO 25475Fertilizers - Determination of ammoniacal nitrogen (ISO 25475:2016)Izstrādē
67908LVS EN ISO 14820-1:2019Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling (ISO 14820-1:2016) 
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