Registration number (WIID)Project No.TitleStatus
40785EN 16320:2013/FprA1:2016Fertilizers and liming materials - Determination of mercury by vapour generation (VG) after aqua regia dissolutionIzstrādē
35575EN 16328:2012Fertilizers - Determination of 3,4-dimethyl-1H-pyrazole phosphate (DMPP) - Method using high-performance liquid chromatography (HPLC)Izstrādē
34742EN 16357:2013Carbonate liming materials - Determination of reactivity - Automatic titration method with citric acidIzstrādē
39123EN 16651:2015Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)Izstrādē
40792EN 16847:2016Fertilizers - Determination of complexing agents in fertilizers - Identification of heptagluconic acid by chromatographyIzstrādē
40790EN 16962:2018Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic compounds from fertilizer extractsIzstrādē
40793EN 16963:2018Fertilizers - Determination of boron, cobalt, copper, iron, manganese, molybdenum and zinc using ICP-AESIzstrādē
40794EN 16964:2018Fertilizers - Extraction of total micro-nutrients in fertilizers using aqua regiaIzstrādē
40796EN 16965:2018Fertilizers - Determination of cobalt, copper, iron, manganese and zinc using flame atomic absorption spectrometry (FAAS)Izstrādē
40791EN 17041:2018Fertilizers - Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-HIzstrādē
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