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Norm

ÖNORM EN ISO 25705

Issue date: 2019 07 01

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)

This International Standard specifies methods for the determination of isobutylidene diurea (IBDU), Crotonylidene diurea (CDU) (method A) and methylene-urea oligomers (MU...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 25 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
Committee 202: Characterization of soils and methods of analysis for soils, waste and sludge
ICS
65.080
Topics
Agriculture & food, Fertilizers. Pesticides, Fertilizers
This International Standard 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.