This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
ISO 25705:2016 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).
The method is applicable to all fertilizers which do not contain interfering organic compounds.
Status : PublishedPublication date : 2016-04
Edition : 1Number of pages : 17
Technical Committee:Fertilizers, soil conditioners and beneficial substances
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