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EVS-EN 13971:2020

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

General information
Valid from 02.10.2020
Base Documents
EN 13971:2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
02.10.2020
Main
04.01.2013
Main
This document specifies a method for the determination of the speed and effectiveness of the neutralizing potential of calcium carbonate, calcium magnesium carbonate and calcium magnesium silicate liming materials by potentiometric titration with hydrochloric acid. For liming materials coarser than 1 mm, it is essential to prepare the sample of a liming material by following exactly the description of Annex A. This method is applicable only to liming materials with a maximum particle size of 6,3 mm. The type of liming material can be identified according to EN 14069 and the particle size can be determined according to EN 12948.
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