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Normas DIN – AENOR
DIN EN 15559:2009-06

DIN EN 15559:2009-06

Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version EN 15559:2009

Engrais - Dosage de l'azote nitrique et ammoniacal selon Arnd; Version allemande EN 15559:2009

Düngemittel - Bestimmung von Nitrat- und Ammoniumstickstoff nach Arnd; Deutsche Fassung EN 15559:2009

Fecha:
2019-06 /Active
Equivalencias internacionales:

EN 15559 (2009-01)

Relación con otras normas DIN:
Resumen:
This document specifies a method for the determination of nitric and ammoniacal nitrogen with reduction according to Arnd. (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.
Keywords:
Ammoniacal nitrogen, Ammonium, Arnd, Chemical analysis and testing, Determination, Determination of content, Distillation, Fertilizers, Indicators, Nitrates, Nitrogen, Sampling methods, Soil improvement, Soil improving materials, Solutions, Specification (approval), Specimen preparation, Test equipment, Testing
64,67
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