CEN/TC 260
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 73784 | LVS EN 15561:2023 | Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates | Standarts spēkā |
| 29075 | LVS EN 15452:2008 | Fertilizers - Determination of chelating agents - Determination of iron chelated by o, p-EDDHA by reversed phase HPLC | Standarts spēkā |
| 68186 | LVS EN 13971:2020 | Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid | Standarts spēkā |
| 13028 | LVS EN 13366:2002 A | Fertilizers - Treatment with a cation exchange resin for the determination of the chelated micro-nutrient content and of the chelated fraction of micro-nutrients | Standarts spēkā |
| 41490 | LVS EN 13368-2:2018 | Fertilizers - 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 chromatography | Standarts spēkā |
| 30749 | LVS EN 15479:2009 | Fertilizers - Spectrophotometric determination of biuret in urea | Standarts spēkā |
| 35686 | LVS EN 15921:2011 | Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C | Standarts spēkā |
| 39123 | LVS EN 16651:2015 | Fertilizers - 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 |
| 67906 | LVS EN 17411:2021 | Fertilizers - Determination of perchlorate in mineral fertilizers by liquid chromatography and tandem mass spectrometry detection (LC-MS/MS) | Standarts spēkā |
| 71678 | LVS CEN/TS 17766:2022 | Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elements | Standarts spēkā |
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