Registration number (WIID)Project No.TitleStatus
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
35686LVS EN 15921:2011Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °CStandarts spēkā
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
13039LVS EN 12944-1:1999Fertilizers and liming materials and soil improvers - Vocabulary - Part 1: General terms 
13016LVS EN 12946:2000Liming materials - Determination of calcium content and magnesium content - Complexometric method 
13013LVS EN 12048:1996Solid fertilizers and liming materials - Determination of moisture content - Gravimetric method by drying at (105 +/- 2)°C (ISO 8190:1992 modified) 
67908LVS EN ISO 14820-1:2019Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling (ISO 14820-1:2016) 
21611LVS EN 14397-2:2004Fertilizers and liming materials - Determination of carbon dioxide - Part 2: Method for liming materials 
20850LVS EN 12946:2000/AC:2002Liming materials - Determination of calcium content and magnesium content - Complexometric method 
13048LVS EN 12944-1:1999/AC:2000Fertilizers and liming materials and soil improvers - Vocabulary - Part 1: General terms 
Displaying 551-560 of 567 results.