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) ISO 25705:2016

General information

Current stage: 90.93 Standard confirmed Sep 8, 2021

Originator: ISO

Owner: ISO/TC 134 Fertilizers, soil conditioners and beneficial substances

Type: International Standard

ICS: 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.

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) ISO 25705:2016

General information

Scope

Life cycle

NOW

Relations

Adopted from EN 15705:2010