Registration number (WIID)Project No.TitleStatus
58686prEN 15477Fertilizers - Determination of the water-soluble potassium contentIzstrādē
73799prEN 15478 revInorganic fertilizers – Determination of total nitrogen in methylene urea and urea formaldehydeIzstrādē
61797prEN 15704 revLiming materials - Determination of the breakdown of granulated calcium and calcium/magnesium carbonates under the influence of waterIzstrādē
81614prEN 15925 revInorganic fertilizers - Extraction of total sulfur present in various formsIzstrādē
81611prEN 15956 revInorganic fertilizers - Extraction of phosphorus soluble in mineral acidsIzstrādē
81617prEN 15957 revInorganic fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrateIzstrādē
81616prEN 15960 revInorganic fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfatesIzstrādē
81618prEN 15961 revInorganic fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfatesIzstrādē
71266prEN 16319 revInorganic fertilizers and liming materials — Determination of specific elements — Determination of cadmium, chromium, copper, lead, nickel and zinc by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolutionIzstrādē
81613prEN 16963 revInorganic fertilizers - Determination specific elements using ICP-AESIzstrādē
Displaying 541-550 of 567 results.