M00020301
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ISO DIS 25705 2014 Edition, December 4, 2014 FERTILIZERS - DETERMINATION OF UREA CONDENSATES USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC) - ISOBUTYLIDENEDIUREA AND CROTONYLIDENEDIUREA (METHOD A) AND METHYLEN-UREA OLIGOMERS (METHOD B)
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Availability date: 07/14/2021
Description / Abstract:
This European Standard specifies methods for the determination
of isobutylidenediurea (IBDU), crotonylidenediurea (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.