This standard BS EN 15476:2009 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda is classified in these ICS categories:
65.080 Fertilizers
This European Standard specifies a method for the determination of nitrate and ammoniacal nitrogen with reduction using Devarda alloy (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.
