ISO 25475:2016

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.

Abstract

ISO 25475:2016 specifies a method for the determination of the ammoniacal nitrogen content in fertilizers. The method is applicable to all nitrogenous fertilizers including compound fertilizers, in which nitrogen is found exclusively either in the form of ammonium salts or ammonium salts together with nitrates.

ISO 25475:2016 is not applicable to fertilizers containing urea, cyanamide or other organic nitrogenous compounds.

General information

Status
: Published

Publication date
: 2016-04
Edition
: 1

Number of pages
: 12
Technical Committee
: ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
ICS
:
65.080 Fertilizers