NF U42-152*NF EN 15705:2010 Fertilizers - Determination of urea condensates using highperformance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylene-urea oligomers (method B).
2010NF U42-152*NF EN 15705:2010 Fertilizers - Determination of urea condensates using highperformance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylene-urea oligomers (method B).