Registration number (WIID)Project No.TitleStatus
30745EN 15477:2009Fertilizers - Determination of the water-soluble potassium contentIzstrādē
30767EN 15604:2009Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogenIzstrādē
26044EN 15704:2008Liming materials - Determination of the breakdown of granulated calcium and calcium/magnesium carbonates under the influence of waterIzstrādē
82104prEN 17781Organic, organo-mineral and inorganic fertilizers - Enumeration of Escherichia coliIzstrādē
30749EN 15479:2009Fertilizers - Spectrophotometric determination of biuret in ureaIzstrādē
30748EN 15478:2009Fertilizers - Determination of total nitrogen in ureaIzstrādē
40791EN 17041:2018Fertilizers - Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-HIzstrādē
40794EN 16964:2018Fertilizers - Extraction of total micro-nutrients in fertilizers using aqua regiaIzstrādē
36897EN 13368-1:2014Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 1: Determination of EDTA, HEEDTA and DTPA by ion chromatographyIzstrādē
21313EN 14888:2005Fertilizers and liming materials - Determination of cadmium contentIzstrādē
Displaying 401-410 of 589 results.