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3.2 Name four crystalline phases in portland cement that hydrate when mixed with water. Show the chemical equation for the hydration of each phase.

3.2 Name four crystalline phases in portland cement that hydrate when mixed with water. Show the chemical equation for the hydration of each phase. Identify the reaction product that is the main cementing ingredient in portland cement. Identify the crystalline phase that forms reaction products readily attacked by water-containing sulfates.

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