Registration number (WIID)Project No.TitleStatus
27098LVS EN 15688:2008Fertilizers - Determination of urease inhibitor N-(n- butyl)thiophosphoric triamide (NBPT) using high- performance liquid chromatography (HPLC)Standarts spēkā
30767LVS EN 15604:2009Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogenStandarts spēkā
73785LVS EN 15562:2023Inorganic fertilizers - Determination of cyanamide nitrogenStandarts spēkā
30764LVS EN 15562:2009Fertilizers - Determination of cyanamide nitrogenAtcelts
73784LVS EN 15561:2023Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitratesStandarts spēkā
30758LVS EN 15561:2009Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitratesAtcelts
73781LVS EN 15560:2023Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate freeStandarts spēkā
30753LVS EN 15560:2009Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate freeAtcelts
30752LVS EN 15559:2009Fertilizers - Determination of nitric and ammoniacal nitrogen according to ArndStandarts spēkā
30751LVS EN 15558:2009Fertilizers - Determination of nitric and ammoniacal nitrogen according to UlschStandarts spēkā
Displaying 131-140 of 598 results.