Registration number (WIID)Project No.TitleStatus
73777CEN/TS 17759:2022Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen contentStandarts spēkā
30745LVS EN 15477:2009Fertilizers - Determination of the water-soluble potassium contentStandarts spēkā
61146LVS EN 15961:2017Fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfatesStandarts spēkā
40790LVS EN 16962:2018Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic compounds from fertilizer extractsStandarts spēkā
71691CEN/TS 17779:2022Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrateStandarts spēkā
71684CEN/TS 17772:2022Organic and organo-mineral fertilizers - Determination of specific parametersStandarts spēkā
71687LVS CEN/TS 17775:2022Organic and organo-mineral fertilizers - Determination of the inorganic arsenic contentStandarts spēkā
40791LVS EN 17041:2018Fertilizers - Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-HStandarts spēkā
71679LVS CEN/TS 17767:2022Organo-mineral fertilizers - Extraction of phosphorus by formic acidStandarts spēkā
13043LVS EN 13466-1:2003 AFertilizers - Determination of water content (Karl Fischer methods) Part 1: Methanol as extracting mediumStandarts spēkā
Displaying 431-440 of 588 results.