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prEN 196-13

Methods of testing cement - Part 13: Effective alkali content prEN 196-13

Publication date:   Aug 6, 2026

General information

40.20   DIS ballot initiated: 12 weeks   Aug 6, 2026

CEN

CEN/TC 51 Cement and building limes

European Norm

91.100.10   Cement. Gypsum. Lime. Mortar

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Scope

This document specifies the apparatus and procedure for determining the effective alkali content of cements and other hydraulic binders. The method determines the effective alkali content after 28 days of hydration by extracting pore water from cement stone and determining the concentration of sodium and potassium (method A) or hydroxyl ions in the solution (method B).

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prEN 196-13
40.20 DIS ballot initiated: 12 weeks
Aug 6, 2026




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