ASTM C1679

Full Name

ASTM C1679 – Standard Practice for Measuring Hydration Kinetics of Hydraulic Cementitious Mixtures Using Isothermal Calorimetry


This practice describes the apparatus and procedure for measuring relative differences in hydration kinetics of hydraulic cementitious mixtures, either in paste or mortar, including those containing admixtures, various supplementary cementitious materials (SCM), and other fine materials by measuring the thermal power using an isothermal calorimeter.


cement-admixture interactions; hydration kinetics; hydration performance; isothermal calorimetry; sulfate depletion