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Standard ÖNORM EN 13971 15.11.2020 preview

ÖNORM EN 13971

Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

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STANDARD published on 15.11.2020


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The information about the standard:

Designation standards: ÖNORM EN 13971
Publication date standards: 15.11.2020
SKU: NS-1015949
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM

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Annotation of standard text ÖNORM EN 13971 :

Dieses Dokument legt ein Verfahren für die Bestimmung der Geschwindigkeit und Wirksamkeit des Neutralisationspotentials von Calciumcarbonat-, Calcium-Magnesium-Carbonat- sowie silikatischen Kalkdüngern durch potentiometrische Titration mit Salzsäure fest. Für Kalkdünger, die grobkörniger als 1 mm sind, ist es wichtig, die Vorbereitung der Kalkdüngerprobe sorgfältig nach der in Anhang A angegebenen Beschreibung durchzuführen. Dieses Verfahren gilt nur für Kalkdünger mit einer Korngröße von höchstens 6,3 mm. Der Typ des Kalkdüngers kann nach EN 14069 identifiziert und die Korngröße nach EN 12948 bestimmt werden.

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