Registration number (WIID)Project No.TitleStatus
71691LVS CEN/TS 17779:2022Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrateStandarts spēkā
29079LVS EN 16024:2011Fertilizers - Determination of 1H-1,2,4-triazole in urea and in fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)Standarts spēkā
73779LVS CEN/TS 17761:2022Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen contentStandarts spēkā
38089LVS EN 16197:2013Fertilizers - Determination of magnesium by atomic absorption spectrometryStandarts spēkā
71677LVS CEN/TS 17765:2022Organic and organo-mineral fertilizers - Determination of the biuret content by high-performance liquid chromatography (HPLC)Standarts spēkā
21313LVS EN 14888:2005Fertilizers and liming materials - Determination of cadmium contentStandarts spēkā
27098LVS EN 15688:2008Fertilizers - Determination of urease inhibitor N-(n- butyl)thiophosphoric triamide (NBPT) using high- performance liquid chromatography (HPLC)Standarts spēkā
73776LVS CEN/TS 17758:2022Fertilizers and liming materials - Determination of the chloride content by potentiometric titrationStandarts spēkā
71687LVS CEN/TS 17775:2022Organic and organo-mineral fertilizers - Determination of the inorganic arsenic contentStandarts spēkā
35945LVS EN 15956:2012Fertilizers - Extraction of phosphorus soluble in mineral acidsStandarts spēkā
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