Effects of type and dosage of alkaline activator and temperature on the properties of alkali-activated slag mixtures

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Hydration and properties of sodium sulfate activated slag (2013, background): “The activated slag pastes were formulated with two different dosages of sodium sulfate (1 and 3% Na2O equivalent of Na2SO4 by the mass of slag) and the slag with two different finenesses.”
Very early-age reaction kinetics and microstructural development in alkali-activated slag (2015, background): “Product formation, microstructural development, and mechanical properties of all cementitious systems are governed by the hydration process [9—16, 18—20].”
A Review of Recent Developments and Advances in Eco-Friendly Geopolymer Concrete (2020, background): “Different types of activators along with varying molarities were studied in literature [49,55,57,125,126,134].”
Role of carbonates in the chemical evolution of sodium carbonate-activated slag binders (2015, methodology): “The commonly used activators for the production of activated slag binders are sodium hydroxide (NaOH), sodium silicate (Na2O•rSiO2), sodium carbonate (Na2CO3) and sodium sulfate (Na2SO4) [6, 9, 11, 12].”