90.60 Close of review Sep 2, 2024
CEN
CEN/TC 260 Fertilizers and liming materials
European Norm
65.080 Fertilizers
This European Standard specifies a method for the determination of nitric and ammoniacal nitrogen with reduction according to Arnd (modified for each of the variants a, b and c).
The method is applicable to all nitrogenous fertilizers, including compound fertilizers, in which nitrogen is found exclusively in nitrate form, or in ammoniacal and nitrate form.
WITHDRAWN
CEN/TS 15559:2007
PUBLISHED
EN 15559:2009
90.60
Close of review
Sep 2, 2024