26/30561927 DC

This standard 26/30561927 DC BS EN 196-13 Methods of testing cement is classified in these ICS categories:

• 91.100.10 Cement. Gypsum. Lime. Mortar

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).