Registration number (WIID)Project No.TitleStatus
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)Atcelts
29080EN 15905:2010Fertilizers - Determination of 3-methylpyrazole (MP) using high-performance liquid chromatography (HPLC)Atcelts
33238EN 15705:2010Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylene-urea oligomers (method B)Atcelts
26630CEN/TS 15961:2009Fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur (in the forms of sulfates) (Method 8.3)Atcelts
26631CEN/TS 15926:2009Fertilizers - Extraction of water soluble sulfur where the sulfur is in various formsAtcelts
26624CEN/TS 15958:2009Fertilizers - Extraction of water soluble phosphorus (Method 3.1.6)Atcelts
24178CEN/TS 15479:2006Fertilizers - Spectrophotometric determination of biuret in ureaAtcelts
24172CEN/TS 15478:2006Fertilizers - Determination of total nitrogen in ureaAtcelts
13038LVS EN ISO 10249:2002 AFluid fertilizers - Preliminary visual examination and preparation of samples for physical testingAtcelts
21312EN 14984:2006Liming materials - Determination of product effect on soil pH - Soil incubation methodAtcelts
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