Registration number (WIID)Project No.TitleStatus
71687LVS CEN/TS 17775:2022Organic and organo-mineral fertilizers - Determination of the inorganic arsenic contentStandarts spēkā
40791LVS EN 17041:2018Fertilizers - Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-HStandarts spēkā
71679LVS CEN/TS 17767:2022Organo-mineral fertilizers - Extraction of phosphorus by formic acidStandarts spēkā
73777LVS CEN/TS 17759:2022Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen contentStandarts spēkā
71691LVS CEN/TS 17779:2022Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrateStandarts spēkā
73779LVS CEN/TS 17761:2022Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen contentStandarts spēkā
71677LVS CEN/TS 17765:2022Organic and organo-mineral fertilizers - Determination of the biuret content by high-performance liquid chromatography (HPLC)Standarts spēkā
73776LVS CEN/TS 17758:2022Fertilizers and liming materials - Determination of the chloride content by potentiometric titrationStandarts spēkā
72669LVS CEN/TS 17756:2022Organic fertilizers, organo-mineral fertilizers, inorganic fertilizers and liming materials - Determination of the chloride contentStandarts spēkā
71688LVS CEN/TS 17776:2022Organic and organo-mineral fertilizers - Determination of the total organic carbon (TOC) content by dry combustionStandarts spēkā
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