Registration number (WIID)Project No.TitleStatus
81611prEN 15956 revInorganic fertilizers - Extraction of phosphorus soluble in mineral acidsIzstrādē
81613prEN 16963 revInorganic fertilizers - Determination specific elements using ICP-AESIzstrādē
81614prEN 15925 revInorganic fertilizers - Extraction of total sulfur present in various formsIzstrādē
81615-Inorganic fertilizers - Determination of the dry matter contentIzstrādē
81616prEN 15960 revInorganic fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfatesIzstrādē
81617prEN 15957 revInorganic fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrateIzstrādē
81618prEN 15961 revInorganic fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfatesIzstrādē
82073prEN 17767Organo-mineral fertilizers - Extraction of phosphorus by formic acidIzstrādē
82074prEN 17770Organic and organo-mineral fertilizers - Determination of total content of specific elements by ICP-AES after digestion by aqua regiaIzstrādē
82075prEN 17771Organic and organo-mineral fertilizers - Determination of the nitrogen contentIzstrādē
Displaying 561-570 of 588 results.