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Norm

ÖNORM EN ISO 25475

Issue date: 2019 07 01

Fertilizers - Determination of ammoniacal nitrogen (ISO 25475:2016)

This International Standard specifies a method for the determination of the ammoniacal nitrogen content in fertilizers. The method is applicable to all nitrogenous fertil...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 18 Pages
Language:
German | English | Download GER/ENG
This International Standard 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. This International Standard is not applicable to fertilizers containing urea, cyanamide or other organic nitrogenous compounds.