KS ISO 25705:2016

Fertilizers-Determination of urea condensates using high-performance liquid chromatography (HPLC)-Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)

Specifies methods for the determination of isobutylidene diurea (IBDU), Crotonylidene diurea (CDU) (method A) and methylene-urea oligomers (MU) (method B) in fertilizers using high-performance liquid chromatography (HPLC).