Registration number (WIID)Project No.TitleStatus
73850LVS CEN/TS 17786-1:2022Inorganic micronutrient fertilizers - Determination of the chelated micronutrient content and the chelated fraction of micronutrients - Part 1: Treatment with a cation exchange resinStandarts spēkā
39123LVS EN 16651:2015Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)Standarts spēkā
40800CEN/TS 17060:2017Fertilizers - Determination of molybdenum in concentrations > 10 % using a gravimetric method with 8-hydroxyquinolineStandarts spēkā
73845CEN/TS 17782:2022Fertilizing products - Determination of the stability of fertilizing products containing micronutrient chelates at different pHsStandarts spēkā
70116LVS EN 1482-4:2024Fertilizers, liming materials and inhibitors - Sampling and sample preparation - Part 4: Sampling for microbial presenceStandarts spēkā
29074LVS EN 15451:2008Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatographyStandarts spēkā
71690CEN/TS 17778:2022Organic and organo-mineral fertilizers - Determination of the chromium (VI) content by chromotographyStandarts spēkā
71682CEN/TS 17770:2022Organic and organo-mineral fertilizers - Determination of the total content of specific elements by ICP-AES after digestion by aqua regiaStandarts spēkā
75456LVS EN 15705:2023Inorganic fertilizers - Determination of methylen-urea oligomers using high-performance liquid chromatography (HPLC)Standarts spēkā
24166LVS CEN/TS 15559:2007Fertilizers - Determination of nitric and ammoniacal nitrogen according to ArndAtcelts
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