Registration number (WIID)Project No.TitleStatus
82098prEN 17777Organic and organo-mineral fertilizers - Determination of specific elementsIzstrādē
82079prEN 17769Organic and organo-mineral fertilizers - Determination of the mercury contentIzstrādē
82077prEN 17766Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elementsIzstrādē
82074prEN 17770Organic and organo-mineral fertilizers - Determination of total content of specific elements by ICP-AES after digestion by aqua regiaIzstrādē
82076prEN 17765Organic and organo-mineral fertilizers - Determination of biuret content by high-performance liquid chromatography (HPLC)Izstrādē
82075prEN 17771Organic and organo-mineral fertilizers - Determination of the nitrogen contentIzstrādē
34742EN 16357:2013Carbonate liming materials - Determination of reactivity - Automatic titration method with citric acidIzstrādē
40786EN 16317:2013/FprA1:2016Fertilizers and liming materials - Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolutionIzstrādē
71691CEN/TS 17779:2022Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrateIzstrādē
71684CEN/TS 17772:2022Organic and organo-mineral fertilizers - Determination of specific parametersIzstrādē
Displaying 551-560 of 594 results.