ISO 25475

Fertilizers - Determination of ammoniacal nitrogen

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Organization: ISO
Publication Date: 15 April 2016
Status: active
Page Count: 18
ICS Code (Fertilizers): 65.080
scope:

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.

Document History

ISO 25475
April 15, 2016
Fertilizers - Determination of ammoniacal nitrogen
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...

References

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