Registration number (WIID)Project No.TitleStatus
41490LVS EN 13368-2:2018Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 2: Determination of Fe chelated by [o,o] EDDHA, [o,o] EDDHMA and HBED, or the amount of chelating agents, by ion pair chromatographyStandarts spēkā
13034LVS EN 13475:2003 ALiming materials - Determination of calcium content - Oxalate methodStandarts spēkā
71582LVS CEN/TR 14539:2021Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention)Standarts spēkā
29080LVS EN 15905:2010Fertilizers - Determination of 3-methylpyrazole (MP) using high-performance liquid chromatography (HPLC)Standarts spēkā
35686LVS EN 15921:2011Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °CStandarts spēkā
26044LVS EN 15704:2009Liming materials - Determination of the breakdown of granulated calcium and calcium/magnesium carbonates under the influence of waterStandarts 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
70116EN 1482-4:2024Fertilizers, liming materials and inhibitors - Sampling and sample preparation - Part 4: Sampling for microbial presenceStandarts spēkā
32922LVS EN 14397-1:2010Fertilizers and liming materials - Determination of carbon dioxide - Part 1: Method for solid fertilizersStandarts spēkā
71683LVS CEN/TS 17771:2022Organic and organo-mineral fertilizers - Determination of the nitrogen contentStandarts spēkā
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