Registration number (WIID)Project No.TitleStatus
40792EN 16847:2016Fertilizers - Determination of complexing agents in fertilizers - Identification of heptagluconic acid by chromatographyIzstrādē
40791LVS EN 17041:2018Fertilizers - Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-HStandarts spēkā
40791EN 17041:2018Fertilizers - Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-HIzstrādē
40790EN 16962:2018Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic compounds from fertilizer extractsIzstrādē
40790LVS EN 16962:2018Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic compounds from fertilizer extractsStandarts spēkā
40789EN 16318:2013/prA1Fertilizers and liming materials - Determination of chromium (VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)Izstrādē
40787EN 16319:2013/FprA1:2015Fertilizers and liming materials - Determination of cadmium, chromium, lead and nickel by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolutionIzstrādē
40786EN 16317:2013/FprA1:2016Fertilizers and liming materials - Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolutionIzstrādē
40785EN 16320:2013/FprA1:2016Fertilizers and liming materials - Determination of mercury by vapour generation (VG) after aqua regia dissolutionIzstrādē
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
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