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prEN ISO 25705

Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylene-urea oligomers (method B) (ISO 25705:2016) prEN ISO 25705

General information

40.98   Project deleted   Jan 7, 2020

CEN

CEN/TC 260 Fertilizers and liming materials

European Norm

65.080   Fertilizers

Scope

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.

Life cycle

NOW

ABANDON
prEN ISO 25705
40.98 Project deleted
Jan 7, 2020

Relations

Adopted from ISO 25705:2016 IDENTICAL




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