Registration number (WIID)Project No.TitleStatus
73776LVS CEN/TS 17758:2022Fertilizers and liming materials - Determination of the chloride content by potentiometric titrationStandarts spēkā
36897LVS EN 13368-1:2014Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 1: Determination of EDTA, HEEDTA and DTPA by ion chromatographyStandarts spēkā
31334LVS EN 16075:2012Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)Standarts spēkā
71685LVS CEN/TS 17773:2022Organic and organo-mineral fertilizers - Determination of the dry matter contentStandarts spēkā
38092LVS EN 16199:2013Fertilizers - Determination of the sodium extracted by flame emission spectrometryStandarts spēkā
71680LVS CEN/TS 17768:2022Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elementsStandarts spēkā
71684LVS CEN/TS 17772:2022Organic and organo-mineral fertilizers - Determination of specific parametersStandarts spēkā
30752LVS EN 15559:2009Fertilizers - Determination of nitric and ammoniacal nitrogen according to ArndStandarts spēkā
71687LVS CEN/TS 17775:2022Organic and organo-mineral fertilizers - Determination of the inorganic arsenic contentStandarts spēkā
29074LVS EN 15451:2008Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatographyStandarts spēkā
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