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ISO 22146:2018

Carbonate liming materials -- Determination of reactivity -- Automatic titration method with citric acid

General information
Valid from 05.12.2018
Directives or regulations
None
Standard history
Status
Date
Type
Name
05.12.2018
Main
This document specifies a method for determining the reactivity of calcium carbonate and calcium magnesium carbonate liming materials. It assesses the speed and effectiveness of their neutralising potential by automatic titration with citric acid. This method is applicable only to liming materials with a maximum particle size of 6,3 mm determined in accordance with ISO 20977. NOTE For marble dolomite (BET procedure as defined in ISO 9277 below 500 m2/kg), see EN 14984.
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