90.20 Standard under periodical review Apr 15, 2024
CEN
CEN/TC 260 Fertilizers and liming materials
European Norm
65.080 Fertilizers
Published
This European Standard specifies a method for the determination of nitrate and ammoniacal nitrogen with reduction according to Ulsch.
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WITHDRAWN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 15558:2007
PUBLISHED
EN 15558:2009
90.20
Standard under periodical review
Apr 15, 2024